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| All Patents in class 261/46 | |||||
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| Number | Date | Patentee | Title | Type | |
| 477,295 | Jun. 21, 1892 | J.A. Charter | Gas Engine | gas and gasoline engines | |
| 664,134 | Dec. 18, 1900 | J. Dougill | Internal-Combustion Engine | fuel systems | |
| 2,061,494 | Nov. 17, 1936 | W.H. Weber | Carburetor | carburetors | |