| All Patents in class 123/74AC |
Patents 1 -
12
of 12
      |
| Number | Date | Patentee | Title | Type |
| 276,749 | May 01, 1883 | C.W. Baldwin | Gas Engine | gas and gasoline engines |
| 332,447 | Dec. 15, 1885 | C. Sherburne | Gas Engine | gas and gasoline engines |
| 514,211 | Feb. 06, 1894 | B.H. Coffey | Gas Engine | internal combustion engines |
| 532,412 | Jan. 08, 1895 | P. Bilbault | Gas or Petroleum Engine | |
| 537,370 | Apr. 09, 1895 | C.V. Walls | Gas Engine | internal combustion engines |
| 543,614 | Jul. 30, 1895 | J. Day | Gas Engine | internal combustion engines |
| 598,986 | Feb. 15, 1898 | G.H. Gere | Combustible Vapor Engine | gas and gasoline engines |
| 630,083 | Aug. 01, 1899 | G. Horn, G. Hirt | Explosive Gas Engine | gas and gasoline engines |
| 640,393 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 640,673 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 659,027 | Oct. 02, 1900 | W.S. Halsey | Gas Engine | gas and gasoline engines |
| 715,008 | Dec. 02, 1902 | C.A. Braden | Steam Explosive Engine | steam engines |
