| All Patents in class 123/65R |
Patents 1 -
10
of 35
      |
| Picture | Number | Date | Patentee | Title |
 | 3,597 | May 25, 1844 | S. Perry | Manner of Constructing an Inflammable Gas or Vapor Engine |
 | 328,970 | Oct. 27, 1885 | J.F. Place | Gas Engine |
 | 400,458 | Apr. 02, 1889 | A. Histon | Gas Engine |
| | 558,943 | Apr. 28, 1896 | L.S. Gardner | Vapor Motor |
| | 559,017 | Apr. 28, 1896 | J.M. Worth | Gas Engine |
| | 569,530 | Oct. 13, 1896 | H.A. Winter | Gas Engine |
| | 580,446 | Apr. 13, 1897 | D. Best | Petroleum Engine |
| | 583,399 | May 25, 1897 | G.W. Lewis | Gas or Oil Vapor Engine |
| | 591,952 | Oct. 19, 1897 | J.C. Hilton, C.I. Cummings | Explosive Engine |
 | 592,034 | Oct. 19, 1897 | C.W. Weiss | Explosive Engine |
