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| All Patents in class 123/90.2 | |||||
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| Number | Date | Patentee | Title | Type | |
| 386,213 | Jul. 17, 1888 | L.H. Nash | Ignitor for Gas Engines | ignition systems | |
| 439,702 | Nov. 04, 1890 | H.A. Stuart | Petroleum Engine or Motor | ||
| 577,536 | Feb. 23, 1897 | A. Peugeot | Oil Engine | oil engines | |
| 639,160 | Dec. 12, 1899 | E. Fessard | Explosion Motor | gas and gasoline engines | |