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About U. S. Patent and Trademark Office (USPTO) Full-Text Database

Subject All US patents issued since 1790, in the form of searchable patent numbers and current US classifications hyperlinked to full-page images of each page of each patent. Note: Consider esp@net for fulltext, 1836 to present, and as an alternative search tool.
Sources Citations and full text of U. S. patents.
Dates Covered 1790 to present. Updated weekly.
Help Documents Full-Text Database Help
For additional help on patent searching, please contact Engineering Librarians
Print Counterpart (backfiles) Offical Gazette of the United States Patent Office
Provider U.S. Patent and Trademark Office
Access On the web.
Need assistance with this database?
Contact the Olin Library Help Desk, at 935-5410, or your Subject Librarian.