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| All Patents in class 123/185.1 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 324,244 | Aug. 11, 1885 | H.P. Feister | Gas Engine for Railway Cars | ||
 | 399,348 | Mar. 12, 1889 | G.M. Richards | Hydrocarbon Engine | |
| 569,942 | Oct. 20, 1896 | H. Schumm | Appliance for Starting Gas and Oil Motor Engines | ||
| 657,055 | Aug. 28, 1900 | C.H. Blomstrom | Starting Mechanism for Explosive-Engines | ||
| 662,507 | Nov. 27, 1900 | P. Swenson | Trip-Lock for Use in Starting Explosive-Engines | ||
| 2,789,551 | Apr. 23, 1957 | W.E. Armstrong | Pull Starter Guide Means | ||