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American Inventors by State - American Inventions

American Inventors

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American Inventors

American Inventors

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George Washington signed the First United States Patent Grant on July 31, 1790, and the patent examiner was Thomas Jefferson. The first U.S. patent ever granted went to American inventor Samuel Hopkins of Pittsford, Vermont for a new method of making Potash, an industrial chemical used in making soap, glass, fertilizers and gunpowder.

American Inventors by State

Each American inventor listed below in is listed under the state that they were born in. Not all states have an American inventor listed. Let me know if your favorite American inventor from your state is missing.

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The American inventors listed on this page were born in the state they are placed under.
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