| All Patents in class 123/41.81 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 563,140 | Jun. 30, 1896 | W.F. Davis | Cylinder for Explosive Engines | internal combustion engines |
| 593,859 | Nov. 16, 1897 | A. Rosenberg | Gas Engine | gas and gasoline engines |
| 605,583 | Jun. 14, 1898 | R.L. Merritt | Internal Combustion Engine | internal combustion engines |
| 640,667 | Jan. 02, 1900 | J.W. Lambert | Gas-engine cylinder | gas and gasoline engines |
| 660,073 | Oct. 16, 1900 | W.F. Davis | Means for Cooling Explosive-Engines | cooling apparatus |
| 1,503,640 | Aug. 05, 1924 | H.L. Allen, C.E. Curtiss | Internal Combustion Engine | |
| 2,703,077 | Mar. 01, 1955 | A.K. Antonsen | Engine Cylinder Structure | internal combustion engines |
