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| Patents for W. E. Chappel | |||||
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| Number | Date | Patentee | Title | Type | |
| 331,078 | Nov. 24, 1885 | L.H. Nash | Explosive Vapor Engine | gas and gasoline engines | |
| 331,079 | Nov. 24, 1885 | L.H. Nash | Explosive Vapor Engine | gas and gasoline engines | |