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| All Patents in class 123/285 | |||||
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| Number | Date | Patentee | Title | Type | |
| 1,022,178 | Apr. 02, 1912 | B. Brazelle | Internal-combustion motor | gas and gasoline engines | |
| 1,165,674 | Dec. 28, 1915 | R.M. Hvid | Hydrocarbon Engine Governor | internal combustion engine governors | |
| 1,817,390 | Aug. 04, 1931 | A.J. Meyer | Internal Combustion Engine | internal combustion engine valves | |