Database by Subject Category: See Research Port, College Park only
- Description: Bibliographic and full-text content of U.S. patents from U.S. Patent and Trademark Office web database.
- Host URL: http://www.uspto.gov/patft/index.html
- Coverage: Includes full-text patents, images of patents, and published patent applications.
- Time Span: Full-text 1976 to present, images since 1790, applications since 2001.