Thomas Jennings Was the First African American Patent Holder
Thursday, February 23rd, 2012
In Honor of Black History month, HSK will daily highlight a person, place, or moment that was significant in the progress and development of American advancements.
Thomas Jennings is one of those people…
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Thomas Jennings was the first African American to receive a patent, on March 3, 1821 (U.S. patent3306x). Thomas Jennings’ patent was for a dry-cleaning process called “dry scouring”.
The first money Thomas Jennings earned from his patent was spent purchasing his family out of slavery and for support of the abolitionist cause.
Under the United States patent laws of 1793 and 1836, both slaves and freedman could patent their inventions. However, in 1857, a slave-owner named Oscar Stuart patented a “double cotton scraper” that was invented by his slave. Historical records only show the real inventor’s name as being Ned. Stuart’s reasoning for his actions was that, “the master is the owner of the fruits of the labor of the slave both manual and intellectual”. Continue Reading…














