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| All Patents in class 123/78F | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 336,505 | Feb. 16, 1886 | J. Atkinson | Gas Engine | |
| 358,796 | Mar. 01, 1887 | F. Von Martini | Gas Motor | ||
| 367,496 | Aug. 02, 1887 | J. Atkinson | Gas Engine | ||
| 432,638 | Jul. 22, 1890 | G. McGhee | Gas Motor Engine | ||
| 441,582 | Nov. 25, 1890 | E. Quack | Gas Engine | ||
 | 521,443 | Jun. 12, 1894 | S.D. Shepperd | Gas Engine | |
| 577,160 | Feb. 16, 1897 | W. Donaldson | Gas Motor | ||