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| All Patents in class 123/179.16 | |||||
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| Number | Date | Patentee | Title | Type | |
| 599,653 | Feb. 22, 1898 | R.B. Hain | Multiple Cylinder Vapor Engine | gas and gasoline engines | |
| 607,879 | Jul. 26, 1898 | C. Quast | Gas Engine | gas and gasoline engines | |
| 2,594,224 | Apr. 22, 1952 | C.H. Schowalter | Gas Engine | gas and gasoline engines | |