Washing machine

7/9/1844

On July 9, 1844, Oliver B. Wight’s patent for a washing machine was granted. In his application, he states that he “invented a new and useful improvement in Machines for Washing Clothes.” When the Federal Government grants a patent, it excludes others from making, using, offering for sale, or selling the invention.

National Archives, Records of the Patent and Trademark Office


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