Alumni Access to Library Resources: U

As the U.S. government's official web portal, USA.gov makes it easy for the public to get U.S. government information and services on the web.

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.