| All Patents in class 123/90.49 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 548,772 | Oct. 29, 1895 | J.R. Bridges | Explosive Gas Engine | gas and gasoline engines |
| 552,332 | Dec. 31, 1895 | B.M. Turner, B.L. Rinehart | Gas Engine | gas and gasoline engines |
| 569,386 | Oct. 13, 1896 | F.C. Olin | Gas Engine | internal combustion engines |
| 574,723 | Jan. 05, 1897 | E. Fessard | Gas or Oil Engine | gas and gasoline engines |
| 658,595 | Sep. 25, 1900 | W.E. Simpson | Internal-Combustion Motor | internal combustion engines |
| 816,062 | Mar. 27, 1906 | I.S. Barnett | Gas Engine | gas and gasoline engines |
| 2,631,576 | Mar. 17, 1953 | C.H. Schowalter | Valve Operating Mechanism | internal combustion engine valves |
