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| All Patents in class 123/90.44 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 259,736 | Jun. 20, 1882 | H. Wiedling | Gas Engine | ||
| 287,578 | Oct. 30, 1883 | G.H. Reynolds | Gas Engine | ||
| 316,868 | Apr. 28, 1885 | C. Benz | Gas Engine | ||
| 426,297 | Apr. 22, 1890 | J. Mohs | Gas Engine | ||
| 590,796 | Sep. 28, 1897 | A.J. Tackle | Gas Engine | ||
| 658,594 | Sep. 25, 1900 | C.E. Miller, C.W. Shartle | Gas Engine | ||
 | 718,511 | Jan. 13, 1903 | J.A. Ostenberg | Explosion Engine | |
| 1,072,366 | Sep. 02, 1913 | C.E. Sargent | Gas Engine | ||