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| All Patents in class 137/513 | |||||
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| Number | Date | Patentee | Title | Type | |
| 401,452 | Apr. 16, 1889 | L.H. Nash | Fuel Mixing Device for Gas Engines | carburetors | |
| 616,974 | Jan. 03, 1899 | C.C. Riotte | Gas Engine | gas and gasoline engines | |
| 1,201,414 | Oct. 17, 1916 | F.D. Winkley | Lubricating system | motor vehicles | |
| 1,808,074 | Jun. 02, 1931 | W.P. Huffman, F.F. Rike | Valve | ||