Public Search Facility | USPTO - United States Patent and Trademark Office
https://www.uspto.gov/learning-and-resources/support-centers/public-search-facility
WEB2 days ago · Local. 571-272-3275. [email protected]. The United States Patent and Trademark Office (USPTO) Public Search Facility (PSF), located in Alexandria, Virginia, provides public access to patent and trademark information in a variety of formats, including online, microfilm, and print.
DA: 38 PA: 54 MOZ Rank: 33