Mary Kies becomes the first woman to be granted a U.S. patent - May 5th, 1809
On this day in 1809, Mary Kies became the first woman in the United States to receive a patent in her own name.
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On this day in 1809, Mary Kies became the first woman in the United States to receive a patent in her own name.
See omnystudio.com/listener for privacy information.
