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| All Patents in class 123/90.24 | |||||
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| Picture | Number | Date | Patentee | Title | |
 | 312,497 | Feb. 17, 1885 | L.H. Nash | Gas Engine | |
| 532,980 | Jan. 22, 1895 | F.P. Mill | Gas Engine | ||
| 565,786 | Aug. 11, 1896 | M.F. Bates, R.E. Olds | Gas or Vapor Engine | ||