The first U.S. patent was granted in 1790 to Samuel Hopkins of Philadelphia for "making pot and pearl ashes"-a cleaning formula used in soapmaking.
Mary Kies was the first woman to receive a US patent. She patented her method of weaving straw with silk.
Epsom Salt
Sarah Goode was the first African American women to receive a U.S. patent. She received it in 1885 for a bed that folded up into a desk.
Patricia Bath
Thomas Jennings was the first African American to receive a patent.
Ice cream freezer
Mary dixon kies
First African American woman to receive a patent, designed furniture and received a patent for a fold-away bed
The patent-adjusted expiration for this product occurs when the patent protection expires.
His famous round house kick.
Mary dixon kies
Patents are issued by the federal government.