| All Patents in class 123/53.1 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
| | 286,030 | Oct. 02, 1883 | S. Marcus | Gas Engine |
 | 326,561 | Sep. 22, 1885 | L.N. Hopkins, G.M. Hopkins | Gas Engine |
 | 334,039 | Jan. 12, 1886 | L.H. Nash | Gas Engine |
 | 334,040 | Jan. 12, 1886 | L.H. Nash | Method of Feeding and Operating Gas Engines |
 | 334,041 | Jan. 12, 1886 | L.H. Nash | Method of Operating Explosive Vapor Engines |
 | 418,418 | Dec. 31, 1889 | L.H. Nash | Method of Operating Gas Engines |
| | 441,582 | Nov. 25, 1890 | E. Quack | Gas Engine |
 | 533,290 | Jan. 29, 1895 | J.D. Gray | Direct-acting steam-engine |
| | 579,554 | Mar. 23, 1897 | E.W. Blum | Gas Motor |
| | 597,921 | Jan. 25, 1898 | E.D. Strong | Explosive Engine |
