The United States Patent and Trademark Office (USPTO) patent databases are accessible at: https://ppubs.uspto.gov/pubwebapp/static/pages/ppubsbasic.html.

For information on how to search for patents, refer to https://www.uspto.gov/patents/search.

Alternatively, US patents can also be searched and downloaded (click "Download PDF" button) from Google Patents: https://patents.google.com/.


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