| All Patents in class 114/20.1 |
Patents 1 -
10
of 11
      |
| Picture | Number | Date | Patentee | Title |
| | 384,673 | Jun. 19, 1888 | R. Boeklen | Gas Motor |
| | 403,294 | May 14, 1889 | J.C. Beckfeld, A. Schmid | Air and Gas Engine |
| | 553,460 | Jan. 21, 1896 | W.W. Grant | Gas or Vapor Engine |
| | 563,249 | Jul. 07, 1896 | H.C. Baker | Gas Engine |
| | 580,444 | Apr. 13, 1897 | H.C. Baker | Gas Engine |
| | 586,511 | Jul. 13, 1897 | E.J. Pennington | Igniter for Explosive Engines |
| | 693,872 | Feb. 25, 1902 | F.M. Leavitt | Propulsion of torpedoes, &c., by compressed air |
| | 924,787 | Jun. 15, 1909 | R. Janney | Variable Speed Transmission Device |
| | 953,848 | Apr. 05, 1910 | F.M. Leavitt | Exploder for automobile-torpedoes |
| | 1,044,543 | Nov. 19, 1912 | F.M. Leavitt | Stopping device for automobile torpedoes |
