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What Are Patents, Trademarks, Servicemarks, and Copyrights?
US Patent & Trademark Office
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Basics: Patents, Trademarks and Copyrights
Patent Databases
- Esp@cenet (European Patent Office)Espacenet offers free access to 70 million+ patent documents worldwide. Includes information about inventions and technical developments from 1836 to today.
- Patent Full Text and Image Database (U.S. Patent and Trademark Office)Patent full-page images back to 1790. Searchable in five-year blocks back to 1976, and in one additional block covering the years 1790-1975. The 1790-1975 block contains only patent numbers and current US Classifications (in addition to links to full-page images). Patents prior to 1976 can be searched for only by patent number or current US classification.
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- Google Patent Searchresults come from the United States Patent and Trademark Office (USPTO). FAQ
- FreePatentsOnlineIncludes the full text of US patents from number 4000000 to 6857132. Free (pdf) downloading including patent images.
IBM Patent for Coffee Delivery Drones
