Issued patents (PatFT).

Bibliographic Details
Corporate Author:	United States. Patent and Trademark Office
Format:	Government Document Book
Language:	English
Published:	Alexandria, VA : U.S. Patent and Trademark Office, [1970]-
Subjects:	United States. > Patent and Trademark Office > Databases. Patents > United States > Databases.
Online Access:	https://purl.fdlp.gov/GPO/LPS19940

Description
Item Description:	Title from home page last updated Apr. 10, 2006 (viewed Apr. 21, 2006). "Patents from 1790 through 1975 are searchable only by Issue Date, Patent Number, and Current US Classification."
Publication Frequency:	Updated weekly
Format:	Mode of access: Internet from the USPTO website. Address as of 7/18/02: http://www.uspto.gov/patft/index.html; current access is available via PURL. System requirements: TIFF image viewer plug-in installed in your Web browser to view and print these images.