| All Patents in class 123/58.4 |
Patents 1 -
10
of 17
      |
| Picture | Number | Date | Patentee | Title |
| | 273,269 | Mar. 06, 1883 | E.J. Frost | Gas Engine |
| | 353,402 | Nov. 30, 1886 | J.H. Clark | Reversible Gas Engine |
| | 379,807 | Mar. 20, 1888 | J. Noble | Gas Engine |
| | 514,211 | Feb. 06, 1894 | B.H. Coffey | Gas Engine |
 | 542,846 | Jul. 16, 1895 | R. Diesel | Method and Apparatus for Converting Heat to Work |
| | 563,670 | Jul. 07, 1896 | F.S. Mead | Gas, Oil or Vapor Engine |
| | 579,860 | Mar. 30, 1897 | O. Colborne | Gas Engine |
| | 581,784 | May 04, 1897 | T. Small | Gas Engine |
 | 599,653 | Feb. 22, 1898 | R.B. Hain | Multiple Cylinder Vapor Engine |
| | 603,297 | May 03, 1898 | W.F. Trotter | Oil or Gas Engine |
