PATENT RESOURCES

• European Patent Office -- This site offers free full-text access to patents from several European countries, the World Intellectual Property Organization (WIPO), and the United States. Abstracts and bibliographic data are available for patents from several other countries around the world, including China and Japan.
• U. S. Patent and Trademark Office -- The USPTO database offers full-text access to patents since 1976 and full-page images of patents since 1790. AlternaTIFF image viewing software is necessary to view full-page images