Author:Samuel Hopkins (1743-1818)
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For authors with similar names, see Author:Samuel Hopkins.
| ←Author Index: Ho | Samuel Hopkins (1743–1818) |
An American inventor from Philadelphia, Pennsylvania.
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Related works[edit]
- United States patent number:X1, approval of first patent in U.S.A.
Works by this author published before January 1, 1926 are in the public domain worldwide because the author died at least 100 years ago. Translations or editions published later may be copyrighted. Posthumous works may be copyrighted based on how long they have been published in certain countries and areas.