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| All Patents in class 123/524 | |||||
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| Number | Date | Patentee | Title | Type | |
| 39,448 | Aug. 04, 1863 | O.H. Kratze | Gas Engine | gas and gasoline engines | |
| 537,253 | Apr. 09, 1895 | G. Van Zandt | Gas Engine | internal combustion engines | |
| 545,125 | Aug. 27, 1895 | B.W. Grist | Vaporizer for Gas Motor | carburetors | |
| 583,508 | Jun. 01, 1897 | J.W. Raymond | Gas Engine | carburetors | |
| 584,960 | Jun. 22, 1897 | C. Quast | Explosive Engine | gas and gasoline engines | |
| 664,200 | Dec. 18, 1900 | C.O. White | Gasolene Engine | gas and gasoline engines | |