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| All Patents in class 48/192 | |||||
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| Number | Date | Patentee | Title | Type | |
| 63,416 | Apr. 02, 1867 | F. Million | Gas Engine | gas and gasoline engines | |
| 400,850 | Apr. 02, 1889 | J.J. Humes | Hydrocarbureted Air Engine | ||
| 434,695 | Aug. 19, 1890 | J.F. Daly, M.M. Barrett | Gas or Vapor Engine Attachment | carburetors | |