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| All Patents in class 123/53.3 | |||||
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| Number | Date | Patentee | Title | Type | |
| 515,530 | Feb. 27, 1894 | E. Narjot | Gas Engine | internal combustion engines | |
| 578,112 | Mar. 02, 1897 | L.H. Nash | Gas Engine | gas and gasoline engines | |