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| All Patents in class 123/190.11 | |||||
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| Number | Date | Patentee | Title | Type | |
| 332,312 | Dec. 15, 1885 | S. Wilcox | Air and Gas Engine | gas and gasoline engines | |
| 583,507 | Jun. 01, 1897 | J.W. Raymond | Gas Engine | ignition systems | |
| 607,879 | Jul. 26, 1898 | C. Quast | Gas Engine | gas and gasoline engines | |
| 636,451 | Nov. 07, 1899 | J.W. Raymond | Gas-Engine | gas and gasoline engines | |
| 636,453 | Nov. 07, 1899 | J.W. Raymond | Electric igniter for gas-engines | gas and gasoline engines | |