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| All Patents in class 123/90.16 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 230,470 | Jul. 27, 1880 | D. Clerk | Gas Motor Engine | ||
 | 445,110 | Jan. 20, 1891 | M.A. Graham | Gas Engine | |
| 590,796 | Sep. 28, 1897 | A.J. Tackle | Gas Engine | ||
| 607,878 | Jul. 26, 1898 | C. Quast | Gas Engine | ||
| 627,338 | Jun. 20, 1899 | L.S. Kirker | Gas Engine | ||
| 976,770 | Nov. 22, 1910 | P.M. Allmon | Internal Combustion Engine | ||
| 1,503,383 | Jul. 29, 1924 | C.E. Sargent | Internal Combustion Engine | ||
| 2,397,511 | Apr. 02, 1946 | H. Schreck | Gas Engine | ||