The University of Kansas Libraries
Creator United States. Patent and Trademark Office.
Description Databases of U.S. patents, including patent grants (full text since 1976, full-page images since 1790) and patent applications (published since 15 March 2001). To view the patent images, a plug-in is required. For links to free TIFF plug-ins, please click here.
Publisher U.S. Patent and Trademark Office
Coverage 1790 to present.
Rights U.S. government document: available to all members of the public via the Internet.