| All Patents in class 123/90.32 |
Patents 1 -
10
of 20
      |
| Picture | Number | Date | Patentee | Title |
| | 480,737 | Aug. 16, 1892 | A. Niemczÿk | Gas or Petroleum Motor |
| | 504,614 | Sep. 05, 1893 | C.W. Pinkney | Gas Engine |
| | 515,116 | Feb. 20, 1894 | H.M. Crouan | Gas or Petroleum Motor |
| | 565,786 | Aug. 11, 1896 | M.F. Bates, R.E. Olds | Gas or Vapor Engine |
 | 571,498 | Nov. 17, 1896 | E. Rappe | Gas Engine |
 | 574,610 | Jan. 05, 1897 | G. Joranson | Gas Engine |
| | 583,495 | Jun. 01, 1897 | H.B. Maxwell | Gas Engine |
| | 585,127 | Jun. 22, 1897 | J.H. Cogswell, G.W. Starr | Explosive Gas Engine |
| | 602,556 | Apr. 19, 1898 | T.M. Doyle | Gas or Gasolene Engine |
 | 613,390 | Nov. 01, 1898 | F.C. Olin | Gas Engine |
