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| All Patents in class 123/547 | |||||
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| Number | Date | Patentee | Title | Type | |
| 605,815 | Jun. 14, 1898 | J.F. Duryea | Gas Engine | gas and gasoline engines | |
| 1,014,988 | Jan. 16, 1912 | F.D. Winkley | Carbureter | carburetors | |