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| Patents for R. E. Grant | |||||
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| Number | Date | Patentee | Title | Type | |
| 331,080 | Nov. 24, 1885 | L.H. Nash | Method of Operating Gas Engines | gas and gasoline engines | |
| 331,210 | Nov. 24, 1885 | L.H. Nash | Explosive Vapor Engine | gas and gasoline engines | |
| 341,934 | May 18, 1886 | L.H. Nash | Gas Engine | gas and gasoline engines | |
| 341,935 | May 18, 1886 | L.H. Nash | Method of Operating Gas Engines | gas and gasoline engines | |