| All Patents in class 123/74R |
Patents 1 -
5
of 5
      |
| Number | Date | Patentee | Title | Type |
| 535,815 | Mar. 19, 1895 | E.E. Pierce, W.L. Crouch | Gas Engine | gas and gasoline engines |
| 591,952 | Oct. 19, 1897 | J.C. Hilton, C.I. Cummings | Explosive Engine | gas and gasoline engines |
| 612,047 | Oct. 11, 1898 | L.H. Millen | Gas Engine | gas and gasoline engines |
| 626,155 | May 30, 1899 | E.J. Fithian | Gas Engine and Means for Governing the Same | internal combustion engine governors |
| 1,349,630 | Aug. 17, 1920 | C.H. Sheasley | Starting Port for Valveless Two-Cycle Internal Combustion Engines | |
