Patent Public Search
Patent Public Search is the new version of the U.S. Patent Full Text and Image Database. If you had bookmarked links to documents before the change, you will need to create new bookmarks. Includes information about all US patents (including utility, design, reissue, plant patents and SIR documents) from the first patent issued in 1790 to the most recent issue week. Can search issued patents since 1976 and full-page images since 1790. Some full-text available. From the US Patent and Trademark Office.