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| All Patents in class 123/158 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 292,178 | Jan. 22, 1884 | A.K. Rider | Explosive Gas Engine | ||
| 403,380 | May 14, 1889 | J.A. Wharry, N. Rogers | Igniter for Gas Engines | ||
| 480,272 | Aug. 09, 1892 | E.I. Nichols | Ignitor for Gas Engines | ||
| 532,869 | Jan. 22, 1895 | G.W. Haines, F.E. Covey | Gas Engine | ||
| 534,163 | Feb. 12, 1895 | J.W. Lambert | Gas-engine | ||
| 536,287 | Mar. 26, 1895 | J.W. Lambert | Explosive-gas engine | ||
 | 579,789 | Mar. 30, 1897 | P.T. Coffield | Gas Engine | |
| 579,921 | Mar. 30, 1897 | G.L. Woodworth | Igniting Apparatus for Internal Combustion Engine | ||
| 582,532 | May 11, 1897 | J.W. Lambert | Igniter for Gas Engines | ||
| 597,326 | Jan. 11, 1898 | C. Quast | Gas Engine | ||