Useful Patent Links:
United States Patent & Trademark Office
Wikipedia Article on Patentability
Slides from DIY Patent Search Seminar @ The Inventor's Forum - 9/9/2010
Handout from DIY Patent Search Seminar @ The Inventor's Forum - 9/9/2010
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The first U.S. Patent was a method of producing pot ash and pearl ash, issued to Samuel Hopkins on July 31, 1790.
- U.S. Patent No. 1X
The first numbered patent was issued on July 13, 1836 to John Ruggles, a U.S. senator from Maine and the author of the 1836 Patent Act.
- U.S. Patent No. 1
"Manner of Bouying Vessels," was issued to Abraham Lincoln on May 22, 1849. This is the only patent ever issued to a president.
- U.S. Patent No. 6,469