| All Patents in class 123/197.1 |
Patents 1 -
10
of 29
      |
| Picture | Number | Date | Patentee | Title |
| | 123,095 | Jan. 30, 1872 | J.S. Foster | Gunpowder Engine |
| | 143,292 | Sep. 30, 1873 | D.B. Caldwell, J.H. McGowan | Crank-Connection for Steam Engines |
| | 226,972 | Apr. 27, 1880 | E. Buss | Gas-Engine |
| | 242,401 | May 31, 1881 | G. Wacker | Gas Engine |
| | 253,709 | Feb. 14, 1882 | R. Hutchinson | Gas Engine |
 | 278,600 | May 29, 1883 | J. Robson | Gas Engine |
 | 284,557 | Sep. 04, 1883 | G.M. Hopkins | Gas Engine |
 | 289,019 | Nov. 27, 1883 | L.H. Nash | Gas Engine |
 | 289,692 | Dec. 04, 1883 | L.H. Nash | Gas Engine |
 | 312,494 | Feb. 17, 1885 | L.H. Nash | Gas Engine |
