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| All Patents in class 123/546 | |||||
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| Number | Date | Patentee | Title | Type | |
| 400,850 | Apr. 02, 1889 | J.J. Humes | Hydrocarbureted Air Engine | ||
| 660,073 | Oct. 16, 1900 | W.F. Davis | Means for Cooling Explosive-Engines | cooling apparatus | |
| 661,235 | Nov. 06, 1900 | F. Manaut, L. Charon | Petroleum-Motor | oil engines | |
| 1,287,380 | Dec. 10, 1918 | H. Manthey | Charge Forming Device for Internal Combustion Engine | carburetors | |