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1821

First Black Person to Hold a Patent​

New York, New York

Thomas L. Jennings invented and patented his "dry scouring" method which enabled clothes to keep their original shape and appearance whilst removing dirt and grease. The exact process of his method was lost in a fire along with 10,000 or so others, but we know he used his income from the invention to support abolition activities.​

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Johns Hopkins University
2800 N. Charles Street
Baltimore, MD 21218

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