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| Patents for Henry C. Swan | |||||
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| Number | Date | Patentee | Title | Type | |
| 300,661 | Jun. 17, 1884 | H.C. Swan, N.H. Thompson | Gas Motor Engine | gas and gasoline engines | |
| 600,389 | Mar. 08, 1898 | H.C. Swan | Screw Clamp | C clamps | |