He discovered the “dry scouring” method of cleaning clothes, the forerunner to dry cleaning.
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Meet Thomas Jennings, The Inventor Of Dry-Cleaning And First Black U.S. Citizen To Secure A PatentThomas L. Jennings is the first Black individual to be granted a patent in the United States, according to the National Geographic. Jennings, born in 1791 to a freed family in New York City ...
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