American Inventors by State - American Inventions

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.

Alabama Inventors - Alaska Inventors - Arizona Inventors - Arkansas Inventors - California Inventors - Colorado Inventors - Connecticut Inventors - Delaware Inventors - Florida Inventors - Georgia Inventors - Idaho Inventors - Illinois Inventors - Indiana Inventors - Iowa Inventors - Kansas Inventors - Kentucky Inventors - Louisiana Inventors - Maine Inventors - Maryland Inventors - Massachusetts Inventors - Michigan Inventors - Minnesota Inventors - Mississippi Inventors - Missouri Inventors - Montana Inventors - Nebraska Inventors - Nevada Inventors - New Hampshire Inventors - New Jersey Inventors - New Mexico Inventors - New York Inventors - North Carolina Inventors - North Dakota Inventors - Ohio Inventors - Oklahoma Inventors - Oregon Inventors - Pennsylvania Inventors - Rhode Island Inventors - South Carolina Inventors - South Dakota Inventors - Tennessee Inventors - Texas Inventors - Utah Inventors - Vermont Inventors - Virginia Inventors - Washington Inventors - West Virginia Inventors - Wisconsin Inventors - Wyoming Inventors

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