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Today in 1790: Samuel Hopkins awarded first  patent signed by Pres. Washington.   This 1812 patent was signed by President James Madison, Secretary of State James Monroe, and Attorney General Charles Pickney. It begins: "The United States of America/ To w | by national museum of american history
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Today in 1790: Samuel Hopkins awarded first patent signed by Pres. Washington. This 1812 patent was signed by President James Madison, Secretary of State James Monroe, and Attorney General Charles Pickney. It begins: "The United States of America/ To w

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Uploaded on July 31, 2013