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| All Patents in class 123/65VB | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 31,722 | Mar. 19, 1861 | J.É. Lenoir | Air Engine | |
| 155,087 | Sep. 15, 1874 | J. Hirsch | Hot Air Engines | ||
| 220,174 | Sep. 30, 1879 | J. Robson | Gas-Engine | ||
| 226,972 | Apr. 27, 1880 | E. Buss | Gas-Engine | ||
 | 270,202 | Jan. 09, 1883 | J. Charter | Gas Engine | |
 | 270,203 | Jan. 09, 1883 | J. Charter | Gas Engine | |
| 273,269 | Mar. 06, 1883 | E.J. Frost | Gas Engine | ||
| 276,748 | May 01, 1883 | C.W. Baldwin | Gas Engine | ||
| 276,750 | May 01, 1883 | C.W. Baldwin | Gas Engine | ||
| 276,751 | May 01, 1883 | C.W. Baldwin | Gas Engine | ||