U.s. patent search by number - United States Prior art keywords score subjects subject information proximity Prior art date ... Active Application number US17/106,279 Other versions US20210082583A1 (en Inventor Gal EHRLICH Maier Fenster ... 2021-07-28 Priority to US17/386,606 priority patent/US11348690B2/en

 
You can contact the central customer care and services of the DPMA (phone: +49 89 2195-1000). The search support database hotline (phone: +49 89 2195-3435) will be pleased to answer your questions on searches. Expert staff provide assistance in the search rooms of the DPMA in Munich and Berlin. There, all services offered by …. Dial number

Patent Public Search | USPTO - extended window - extended windowThe United States Patent and Trademark Office (USPTO) web site allows you to search for patents and published patent applications. The full-text of patents from 1976 to the present is searchable. Patents from 1790 to 1975 are searchable only by current U.S. classification number, patent number or issue date.If you already have one or more specific patent numbers, here are a couple of basic options for obtaining the full text and/or images for the patent. Google Patents: Go to the Google Patents website and search for the patent number, using the prefix "US" and no punctuation. For example, search for patent #123,456 as US123456.WIPO - Search International and National Patent Collections. [FP] Front Page. The entered value is searched against the Title, Abstract, Numbers and Names. "electric car"~50. Smith or Klein. WO2010000001. EP2012001709.The United States Patent and Trademark Office (USPTO) web site allows you to search for patents and published patent applications. The full-text of patents from 1976 to the present is searchable. Patents from 1790 to 1975 are searchable only by current U.S. classification number, patent number or issue date.As part of the Patent Knowledge Nuggets series, this video shows users how to search by patent numbers in Espacenet using, both, Advanced search as well as S...2 days ago · The United States Patent and Trademark Office (USPTO) is the federal agency for granting U.S. patents and registering trademarks. In doing this, the USPTO fulfills the mandate of Article I, Section 8, Clause 8, of the Constitution that the legislative branch "promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their ... : US-PGPUB (U.S. pre-grant applications to 3/2001), USPAT (full-text U.S. patents to 1970, classification and patent number searching to 1790) and USOCR (OCR scanned pre-1970 U.S. patents). By default, all three databases are selected. Use the “ Databases ” button (red rectangle in Figure 1) to show or hide the menu options. Search queries Nov 30, 2023 · Search our trademark database. Learn about the upcoming summary page feature, which allows you to see key information about an application or registration from your search results, without going to the Trademark Status and Document Retrieval (TSDR) system. Watch previous webinars to learn how to use the new system, and download webinar handouts ... Number ? Additional fields are available via our API for commercial use. Please inquire if you would like access to these, and other, fields: Assignee Count, Claim Count, Expiration Date (with term extensions), Family Member Count, Image Count, Inventor Count, Priorities Count, Reference Count, Word Count, Assignment Count. Complete Patent ...Supplementary Protection Certificate Search. Search for an SPC using either the SPC number or patent number. by patent number. Find SPC using patent number. ... Tell us about a problem with this service 8:30am to 5:00pm (UK time) Monday to Friday. Phone 0300 300 2000 or +44 (0)1633 814000The following table displays annual, U.S. patent application and grant activity from 1790 to the present. Annual activity is determined based on the calendar year. Calendar Year. Utility Patent Applications (e) (inventions) Design Patent Applications. Plant Patent Applications.Sign In. Username * Enter User Name. Password * Enter Password. You will need to register as a CIPC customer in order to login into the IPOnline system. Users who login using CIPC customer accounts can create beneficiary accounts that will use funds from their customer account for IP transactions.Seven-step U.S. patent search strategy . U.S. patent search assistance at a Patent and Trademark Resource Center ( PTRC) ... From the results page c lick on either the patent number or t he patent title to see the full -text of the patent (patents issued prior to 1970 will not have a full- text version, only a limited text entry).Jan 10, 2018 · A Patent Number is assigned by the USPTO. A patent number may include up to eight characters and is formatted as follows: Utility : Patent numbers consist of six, seven or eight digits. Enter the Patent number excluding commas and spaces and omit leading zeroes. Reissue : (e.g., Rennnnnn, RE000126) must enter leading zeroes between "RE" and ... Using the Public Search Facility. The United States Patent and Trademark Office (USPTO) Public Search Facility (PSF) contains electronic, print, and microfilm collections of patents and trademarks. Librarians and other USPTO trained staff are available from 8 a.m. to 5 p.m. Monday through Friday to help you find the information you need and ...Patents with an issue date on or after April 18, 2023 are issued as electronic patent grants (eGrants). Patent Center is available to all users to check application status, electronically file and manage patent applications in a single unified interface. Patent Center features a training mode, which is a simulator to practice filing.Apr 1, 2015 · Online patent tools. Locate online patent services and information. Patent Center. Single interface replacement for EFS-Web, Private PAIR and Public PAIR. Electronic Business Center; Check application status. Check patent application status with Patent Center. Fees and payment. Pay maintenance fees and learn more about filing fees and other ... Spend a few hours simply navigating the search tools and learning about the process. Make sure you record your search process as you move along. You will want to include the databases used, the date and time of your searches, the classes searched, and the materials retrieved. 2. Brainstorm relevant terms.The PATENTSCOPE database provides access to: published International PCT applications in full-text on the day of publication. patent documents from participating national and regional offices. non-patent literature. For your patent searches, you can use a variety of search criterias such as keywords, IPC, chemical compounds, numbers …Starting October 1, 1992, design patent applications are assigned separate application serial numbers which are associated with newly established application series codes, beginning with "29". Starting June 8, 1995, the PTO began to accept provisional patent applications in accordance with implemented legislation arising from the GATT …Application number US07/664,176 Inventor Robert A. Monroe ... In a prior patent, U.S. Pat. No. 3,884,218, the present inventor described a method of inducing different levels of sleep, using the FFR technique, in which brain waves could be made to follow superimposed frequency patterns.For the avoidance of doubt, IP Australia does not accept responsibility for any interference or damage to your own computer system which arises in connection with your use of this system. AusPat is the official Australian government search system for Australian patents that provides users with access to all published Australian patent ...Search Criteria. Enter your search criteria in the text box. Examples: elevator, robot, twin-engine, "smith john". Search Criteria (required) Do you wish to use the Bilingual Search? Yes No. Canadian Patents Database. Introduction.Find out how to register and maintain a trademark in the U.S., apply for an international trademark, ... Spoofing phone numbers; What to do if scammed; Understanding filing firms; ... About the USPTO Search for patents Search for trademarks. US Department of Commerce. Accessibility.Enter the patent/published patent application number(s) you wish to search with a space between each one, as in this example: (“20180093696” “6707006” ”6392195”) Select the “PN” button: The search will execute with the .PN. searchable index applied to each item in the entire search string. Figure 8: PN button.The backup restore manager service sends a backup restore request to retrieve the backups from the other backup data storage and loads the backups to restore the database in the first region. Type: Application. Filed: October 19, 2023. Publication date: April 11, 2024. Applicant: Amazon Technologies, Inc.Terms & conditions; Privacy Policy; Copyright; Hyperlinking Policy; Accessibility; Page last updated on: 26/06/201926/06/2019NOTE: When citing a patent, make sure the Patent Number exactly follows the document, including all commas, spaces, and dashes. Examples of how to cite U.S. Patent 3,005,282 using five different citation styles: ACS (American Chemical Society) (3rd edition, 2006, page 310) Format: Patent Owner (s). Title.Sign In. Username * Enter User Name. Password * Enter Password. You will need to register as a CIPC customer in order to login into the IPOnline system. Users who login using CIPC customer accounts can create beneficiary accounts that will use funds from their customer account for IP transactions.1. Enter a patent number or published patent application number in the Quick Lookup query box and select “Search.”. Utility Patent numbers must be entered as a minimum of seven digits, with leading zeroes if needed. For other types of patents, if the patent number is alpha-numeric (e.g. letter prefix D for a design patent or PP for a plant ...The user may enter 1-7 numeric characters to search trademark related assignment records recorded against the specific trademark number. A registration number may not exceed 7 digits in length. All assignments recorded. All assignments recorded against the specific number will be displayed on the Abstract of Title page.2 days ago · 571-272-3275. [email protected]. The United States Patent and Trademark Office (USPTO) Public Search Facility (PSF), located in Alexandria, Virginia, provides public access to patent and trademark information in a variety of formats, including online, microfilm, and print. Visit our page about using the PSF to learn more about our online records ... WIPO - Search International and National Patent Collections. [FP] Front Page. The entered value is searched against the Title, Abstract, Numbers and Names. "electric car"~50. Smith or Klein. WO2010000001. EP2012001709.The request must include the application's publication number and payment of the appropriate fee. By facsimile: A copy of a patent application publication, a patent application file contents or a particular paper within the file contents of an patent application that was published under 35 U.S.C. 122(b) may be requested by facsimile, with a credit …If you do not know the U.S. patent number: You can also search for patents by topic or inventor, but options vary depending on how far back you want to search: For patents issued after 1975: Patents issued after 1975 can be easily searched by keyword. This will search in specific fields like the assignee, as well as the full text of …PPUBS is a free online search tool for all U.S. published patent applications and patent grants. Currently, approximately 4,500 users are conducting patent searches with PPUBS each day in the U.S. and internationally, and close to 350,000 people have used PPUBS since it launched. Based on the success and positive feedback we’ve …For the avoidance of doubt, IP Australia does not accept responsibility for any interference or damage to your own computer system which arises in connection with your use of this system. AusPat is the official Australian government search system for Australian patents that provides users with access to all published Australian patent ... If you are new to patent searches, or want to use the functionality that was available in the USPTO’s PatFT/AppFT, select ‘Basic Search’ to look for patents by keywords or common fields, such as inventor or publication number. Select ‘Advanced Search’ to use full query options as well as to further filter a patent search by database ... The U.S. Patent & Trademark Office (USPTO) Patent Database includes full text of patents from 1790 - present and also provides TIFF images of most of them.. By Patent Number. Go to USPTO Database.; Select Patent Number Search or Publication Number Search. By Subject. Go to USPTO Database and select Quick Search. Enter …You can query three Databases at once: US-PGPUB (U.S. pre-grant published patent applications back to 2001), USPAT (all U.S. patents, full-text searchable back to 1970, classification and patent number searching to 1790) and USOCR (OCR scanned pre-1970 U.S. patents, text searchable). By default, all three databases are selected but can be The U.S. Patent and Trademark Office (USPTO) is the agency responsible for granting U.S. patents and registering trademarks. ... Search. All topics and services ... 2 days ago · The United States Patent and Trademark Office (USPTO) is the federal agency for granting U.S. patents and registering trademarks. In doing this, the USPTO fulfills the mandate of Article I, Section 8, Clause 8, of the Constitution that the legislative branch "promote the Progress of Science and useful Arts, by securing for limited Times to Authors and Inventors the exclusive Right to their ... For a patent that has the publication number 2013/9304893, its publication is the year 2013. The seven-digit number after the forward slash is unique and doesn't reflect the patent or application number. The purpose of all of these different numbers is to keep the many patents in their different stages well-organized. The U.S. Patent Office ... United States Patent and Trademark Office - Patent Center You can query three Databases: US-PGPUB (U.S. pre-grant applications to 3/2001), USPAT (full-text U.S. patents to 1970, classification and patent number searching to 1790) and USOCR (OCR scanned pre-1970 U.S. patents). By default, all three databases are selected. Use the “Databases” button (red rectangle in Figure 1) to Contains links to the various databases of the U.S. Patent and Trademark Office. Provides full-text of patents from 1976 to the present and full-page images for patents starting in 1790. Patent images can only be searched by issue date, patent number, and classification. PatFT, AppFT, Pub EAST, and Pub WEST will be retired in …IDS form entry for Design Patent Numbers over D1,000,000 (14MAR2024) Users have reported that they are unable to enter issued design patents over D1,000,000 in the SB/08a form. Users are advised to either submit a customized IDS form or enter the design patent number in the Non-Patent Literature section of the SB/08a form as … To use this new feature, you’ll need to be logged in to your USPTO.gov account and search in Expert mode. To learn more, see the Viewing your search results section under Get started on the Help page. We’re aware that in a small number of cases, the status shown in the new Trademark Search differs from the Trademark Status and Document ... Manage all your filings and correspondence at a single location with a Patent Center account.You can now obtain a Patent Center account following a few easy steps. NOTE: For information on the Paperwork Reduction Act as it pertains to: ePetitions and Web-based application data sheets, please see the OMB Clearance and PRA Burden Statement page. Search By Patent/Publication Number: Email Yourself the App Links. Patent Buddy offers a free search of patents, inventors and current patent owners. You can also search for patent attorneys & agents. The backup restore manager service sends a backup restore request to retrieve the backups from the other backup data storage and loads the backups to restore the database in the first region. Type: Application. Filed: October 19, 2023. Publication date: April 11, 2024. Applicant: Amazon Technologies, Inc.You can query three Databases: US-PGPUB (U.S. pre-grant applications to 3/2001), USPAT (full-text U.S. patents to 1970, classification and patent number searching to 1790) and USOCR (OCR scanned pre-1970 U.S. patents). By default, all three databases are selected. Use the “Databases” button (red rectangle in Figure 1) toOnline patent tools. Locate online patent services and information. Patent Center. Single interface replacement for EFS-Web, Private PAIR and Public PAIR. Electronic Business Center; Check application status. Check patent application status with Patent Center. Fees and payment. Pay maintenance fees and learn more about filing …Browse Patents by US Classification. Apparel (Class 2) Baths, closets, sinks, and spittoons (Class 4) Beds (Class 5) Compound tools (Class 7) Bleaching and dyeing; fluid treatment and chemical modification of textiles and fibers (Class 8) Boot and shoe making (Class 12) Bridges (Class 14) Brushing, scrubbing, and general cleaning (Class 15)Search specific patents by importing a CSV or list of patent publication or application numbers.The Publication Number search form provides the option for a Specialized Search when searching for patent publication numbers. Patent publication number searches with Document Copies as the output type are limited to 500 records; submitting a request for more than 500 documents only processes the first 500. Patent publication number …Salesforce.com (5828) Samsung Electronics (245652) Tesla Motors (1258) Toyota (74934) Twitter (426) Wal-Mart (1022) Yahoo (6107) Zynga (696) Search for Patents and Patent Applications by Company Name.Classification Text Search. Enter one or more keywords in the field to search the Classification Scheme (Schedule) and Definitions. Tip: Use quotes to search for exact phrases (e.g. "fuel cells") Select Classification System: All CPC All USPC.Feb 7, 2019 · Toll-Free. 800-786-9199. Local. 571-272-1000. TTY/TDD. 800-877-8339. Email. [email protected]. For general information, mailing addresses, Internet addresses, USPTO.gov accounts, how to use the online fee payment management system and contact information for other USPTO services. Search within the title, abstract, claims, or full patent document: You can restrict your search to a specific field using field names.. Use TI= to search in the title, AB= for the abstract, CL= for the claims, or TAC= for all three. For example, TI=(safety belt). Search by Cooperative Patent Classifications (CPCs): These are commonly used to represent …Patent Public Search | USPTO - extended window - extended windowExample 3 of said patent discloses that 18 PPM of said crystal devices could totally suppress the AIDS virus (page 6, line 5). Subsequent to the filing of the aforementioned patent, further testing revealed complete 100% destruction of the AIDS virus in vitro at 20 PPM, and the fact that said devices were harmless when ingested …General steps. Searching U.S. patents. Obtaining full-text. How to search for patents. It is tempting to think all searching can be done electronically – and for the …How to conduct a preliminary U.S. patent search: A step-by-step strategy – provides a web-based video tutorial (36 minutes). The Multi-Step Patent Search Strategy – outlines a suggested procedure for patent searches. ... You can search by application number, patent number, PCT number, publication number or international design registration ...: US-PGPUB (U.S. pre-grant applications to 3/2001), USPAT (full-text U.S. patents to 1970, classification and patent number searching to 1790) and USOCR (OCR scanned pre-1970 U.S. patents). By default, all three databases are selected. Use the “ Databases ” button (red rectangle in Figure 1) to show or hide the menu options. Search queriesEspacenet: free access to millions of patent documents. Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art.IamIp Platform is an innovative tool for patent search and patent management. Get access to a world patent database, statistics and patent information. ... Give us a call or fill in the form below and we will contact you. ... Is used to determine if HubSpot should increment the session number and timestamps in the __hstc cookie. __hstc: 13 months:Learn how to use Patent Public Search (PPUBS) Advanced in this recorded demonstration with emphasis on design patent searching.PPUBS is a publicly available ...4. Click on “Search” button to search for relevant patents; 5. On the result page, click on the patent title or patent number then the patent fullt-ext will be appeared. Advanced Search. The Advanced Search page allows you to query the US patent full-text database using the command line search syntax.Search within the title, abstract, claims, or full patent document: You can restrict your search to a specific field using field names.. Use TI= to search in the title, AB= for the abstract, CL= for the claims, or TAC= for all three. For example, TI=(safety belt). Search by Cooperative Patent Classifications (CPCs): These are commonly used to represent … United States Prior art keywords score subjects ... Application number US17/106,279 Other versions ... 2021-07-28 Priority to US17/386,606 priority patent/US11348690B2/en PPUBS is a free online search tool for all U.S. published patent applications and patent grants. Currently, approximately 4,500 users are conducting patent searches with PPUBS each day in the U.S. and internationally, and close to 350,000 people have used PPUBS since it launched. Based on the success and positive feedback we’ve …Matt December 7, 2022 03:13 am. Bulk data can be difficult to work with, but PPS makes it much more manageable. First, you need to figure out which week the patent you want was issued.U.S. Patents, 1975 - 1999. “This patent dataset is now rather out of date. There are number of more current and more extensive patent databases that are now publicly available. An index of publicly available patent data is maintained by the NBER Innovation Information Initiative. For more information on this Initiative and the patent …Salesforce.com (5828) Samsung Electronics (245652) Tesla Motors (1258) Toyota (74934) Twitter (426) Wal-Mart (1022) Yahoo (6107) Zynga (696) Search for Patents and Patent Applications by Company Name.Application number US329608A Inventor Pons Charles Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) ... References Cited in the file of this patent UNITED STATES PATENTS 2,546,465 Martini Mar. 27, 1951 2,613,882 …About us Toggle submenu. About us. Find out more about our work, values ... Decisions sorted by number (Art. 112 EPC) Pending petitions for review (Art. 112a EPC) ... Patent knowledge: access our patent databases and search tools. New to patents? Home; Searching for patentsSearch Options. Use the Basic Text Search to find patent documents containing a specific word or phrase. Use the Patent Document Number Search to find a specific patent document by it's number. Use the Boolean Text Search to find patent documents with words or phrases in one, two or three text fields, using boolean connectors (AND or OR) …IDS form entry for Design Patent Numbers over D1,000,000 (14MAR2024) Users have reported that they are unable to enter issued design patents over D1,000,000 in the SB/08a form. Users are advised to either submit a customized IDS form or enter the design patent number in the Non-Patent Literature section of the SB/08a form as …Spend a few hours simply navigating the search tools and learning about the process. Make sure you record your search process as you move along. You will want to include the databases used, the date and time of your searches, the classes searched, and the materials retrieved. 2. Brainstorm relevant terms.utility patents (i.e., "patents for invention"), design patents, plant patents, reissue patents, statutory invention registrations, defensive publications granted by the U.S. Patent and Trademark Office during the period 01/01/1977 - 12/31/2015. These profiled documents hereafter will be referred to as "patents".4. Click on “Search” button to search for relevant patents; 5. On the result page, click on the patent title or patent number then the patent fullt-ext will be appeared. Advanced Search. The Advanced Search page allows you to query the US patent full-text database using the command line search syntax.Spend a few hours simply navigating the search tools and learning about the process. Make sure you record your search process as you move along. You will want to include the databases used, the date and time of your searches, the classes searched, and the materials retrieved. 2. Brainstorm relevant terms.Did you know you can perform a patent search on Google? Check out this Google patent search tutorial! (FREE resources included below...) ⏬Registered USPTO pa...Dec 19, 2023 · Watch on. Published on: December 19, 2023 17:30. This microtutorial for Patent Public Search walks you through the steps of finding U.S. patents and published patent applications from particular inventors. Other ways to view this video. Watch it on YouTube. Patent Public Search | USPTO - extended window - extended window Preliminary U.S. patent search 1.12. Keyword search pitfalls 1.13. Search example 1.14. STEP 1 1.15. Step 1: Description of the invention 1.16. Answering the questions 1.17. STEP 2 1.18. Access Patent Public Search database 1.19. Patent Public Search database 1.20. ...Publication Publication Date Title. US6470214B1 2002-10-22 Method and device for implementing the radio frequency hearing effect. US7162042B2 2007-01-09 Modulator processing for a parametric speaker system. US6169813B1 2001-01-02 Frequency transpositional hearing aid with single sideband modulation.

Search Criteria. Enter your search criteria in the text box. Examples: elevator, robot, twin-engine, "smith john". Search Criteria (required) Do you wish to use the Bilingual Search? Yes No. Canadian Patents Database. Introduction.. Passive income apps

u.s. patent search by number

Search By Patent/Publication Number: Email Yourself the App Links. Patent Buddy offers a free search of patents, inventors and current patent owners. You can also search for patent attorneys & agents. utility patents (i.e., "patents for invention"), design patents, plant patents, reissue patents, statutory invention registrations, defensive publications granted by the U.S. Patent and Trademark Office during the period 01/01/1977 - 12/31/2015. These profiled documents hereafter will be referred to as "patents".Learn how to use Patent Public Search (PPUBS) Advanced in this recorded demonstration with emphasis on design patent searching. PPUBS is a publicly available USPTO search tool that permits searching U.S. patents and U.S. patent application publications. PPUBS has two interfaces: Basic and Advanced. Other ways to view this …Enter the patent/published patent application number(s) you wish to search with a space between each one, as in this example: (“20180093696” “6707006” ”6392195”) Select the “PN” button: The search will execute with the .PN. searchable index applied to each item in the entire search string. Figure 8: PN button. Kathi Vidal. Under Secretary of Commerce for Intellectual Property and Director of the United States Patent and Trademark Office. Bureaus and Offices Department of Commerce -Bureau of Economic Analysis -Bureau of Industry and Security -U.S. Census Bureau -Economic Development Administration -Office of the Under Secretary for Economic Affairs ... Online patent tools. Locate online patent services and information. Patent Center. Single interface replacement for EFS-Web, Private PAIR and Public PAIR. Electronic Business Center; Check application status. Check patent application status with Patent Center. Fees and payment. Pay maintenance fees and learn more about filing …For the avoidance of doubt, IP Australia does not accept responsibility for any interference or damage to your own computer system which arises in connection with your use of this system. AusPat is the official Australian government search system for Australian patents that provides users with access to all published Australian patent ...Jan 15, 2016 · Electronic Filing System (Patent Center) Apply for a patent using Patent Center: Patent Center - for filing, follow-on processing, managing applications, checking the status on and viewing associated documents for patent applications and more. Learn More About Patent Center - Information and Resources. Setup your Customer Number. Discover all statistics and data on U.S. patents now on statista.com! ... Search our report database ... Premium Statistic Number of U.S. patents issued FY 2017-FY 2021, by residency of ...If you are new to patent searches, or want to use the functionality that was available in the USPTO’s PatFT/AppFT, select ‘Basic Search’ to look for patents by keywords or common fields, such as inventor or publication …Enter a patent number or published patent application number in the Quick Lookup query box and select “Search.” Utility Patent numbers must be entered as a minimum of …Patent Public Search | USPTO - extended window - extended window3 days ago · Searching for U.S. granted patents and patent applications is conducted on a single interface, Patent Public Search. There is a library of micro tutorial videos on searching this database. All newly issued patents are published weekly in the Official Gazette for Patents which is retrospectively accessible online beginning with the issue dated ... Discover all statistics and data on U.S. patents now on statista.com! ... Search our report database ... Premium Statistic Number of U.S. patents issued FY 2017-FY 2021, by residency of ...Publication number: 20240129497. Abstract: The description relates to resource aware object detection for encoded video streams that can identify frames of the video stream that include an object of interest, such as a human, without decoding the frames. Type: Application. Filed: October 18, 2022.Espacenet: free access to millions of patent documents. Find out if your invention is unique or if other inventors have filed patent applications that are considered to be prior art.For the avoidance of doubt, IP Australia does not accept responsibility for any interference or damage to your own computer system which arises in connection with your use of this system. AusPat is the official Australian government search system for Australian patents that provides users with access to all published Australian patent ...Publication Publication Date Title. US6469A 1849-05-22 Buoying vessels over shoals. SE439913B 1985-07-08 SEMISUBMERSIBLE COST. US12143A 1855-01-02 Life-preserving raft. US4016A 1845-04-26 Improvement in the method of attaching a movable to the stationary keel of a vessel. US83420A 1868-10-27 Improvement in ballasting- vessels..

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