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| Patents for Henry S. Dewey | |||||
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| Number | Date | Patentee | Title | Type | |
| 16,954 | Mar. 31, 1857 | H.S. Dewey | Machine for cutting the throats of carpenters' plane-stocks | tool making machines | |
| 323,372 | Jul. 28, 1885 | W. Stanley, Jr., E.P. Thopmson | Carbon for incandescent lamps | electric arc lamps | |