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| All Patents in class 48/62A | |||||
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| Number | Date | Patentee | Title | Type | |
| 40,805 | Dec. 08, 1863 | J. Arbós | Gas Engine | gas and gasoline engines | |
| 595,497 | Dec. 14, 1897 | W. Rowbotham | Oil, Gas or Like Engine | oil engines | |
| 1,402,243 | Jan. 03, 1922 | R.F. Metcalfe | Method of Burning Fuel and Apparatus Therefor | fuel burners | |