The First African-American to Hold a Patent Invented ‘Dry Scouring’ | WHAT REALLY HAPPENED

The First African-American to Hold a Patent Invented ‘Dry Scouring’

The next time you pick up your clothes at the dry cleaner, send a thank you to the memory of Thomas Jennings. Jennings invented a process called ‘dry scouring,’ a forerunner of modern dry cleaning. He patented the process in 1821, making him likely the first black person in America to receive a patent.

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