| All Patents in class 123/2 |
Patents 1 -
10
of 14
      |
| Picture | Number | Date | Patentee | Title |
| | 88,767 | Apr. 13, 1869 | J.B. Atwater | Motive Power |
| | 269,146 | Dec. 12, 1882 | H. Wiedling | Gas Engine |
 | 278,168 | May 22, 1883 | L.H. Nash | Combined Gas Engine and Air Compressor |
 | 278,600 | May 29, 1883 | J. Robson | Gas Engine |
| | 284,061 | Aug. 28, 1883 | G.H. Reynolds | Gas Engine |
| | 314,727 | Mar. 31, 1885 | A.W. Schleicher | Combined Gas Engine and Pump |
 | 335,564 | Feb. 09, 1886 | J. Charter | Gas Engine |
| | 548,772 | Oct. 29, 1895 | J.R. Bridges | Explosive Gas Engine |
| | 597,921 | Jan. 25, 1898 | E.D. Strong | Explosive Engine |
| | 610,004 | Aug. 30, 1898 | A.H. Dingman | Gas Engine |
