| All Patents in class 123/73B |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
| | 513,486 | Jan. 30, 1894 | H.T. Dawson | Gas Engine |
| | 537,253 | Apr. 09, 1895 | G. Van Zandt | Gas Engine |
| | 583,399 | May 25, 1897 | G.W. Lewis | Gas or Oil Vapor Engine |
| | 585,434 | Jun. 29, 1897 | W.E. Gibbon | Explosive Engine |
 | 592,033 | Oct. 19, 1897 | C.W. Weiss | Explosive Engine |
| | 615,766 | Dec. 13, 1898 | A.A. Vansickle | Gas Engine |
| | 632,814 | Sep. 12, 1899 | J.D. Hay, B.M. Bullock | Gas Engine |
| | 664,200 | Dec. 18, 1900 | C.O. White | Gasolene Engine |
| | 665,881 | Jan. 15, 1901 | C.R. Daellenbach | Rear Compression Explosive Engine |
 | 713,792 | Nov. 18, 1902 | J.A. Ostenberg | Explosive Engine |
