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| All Patents in class 123/441 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 928,939 | Jul. 27, 1909 | J. Charter, J.A. Charter | Charge Forming Device for Gas Engines | |
| 1,151,156 | Aug. 24, 1915 | W.O. Bingaman | Carbureter | ||