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UpToDate

An evidence based, peer reviewed information resource, available via the web, desktop, and PDA.

US Patent and Trademark Office Search [Full Text]

Covers U.S. Utility, Design and Plant Patents Contents include images for patents since 1790. To view image the user is required to download a non-standard tiff viewer from http://www.uspto.gov/patft/images.htm

Dates of Coverage: 
1790-present