African and African American Studies: Search All Resources
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The National Agriculture Library (NAL) of the USDA has compiled a list of agricultural patents granted to African-Americans and spanning the years 1834-1989. The four-page list itself can be found on the NAL/USDA site, and most of the patents referenced can be viewed at the Patent & Trademark Office database at http://www.uspto.gov/patft
The main site for the United States Patent and Trademark Office. The office issues patents and trademarks and the site gives information on how to apply and contains various search engines which gives the user access to millions of patents and trademarks.