| All Patents in class 123/52.3 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 341,934 | May 18, 1886 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 341,935 | May 18, 1886 | L.H. Nash | Method of Operating Gas Engines | gas and gasoline engines |
| 581,385 | Apr. 27, 1897 | E.P. Woillard | Gas or Vapor Engine | cylinders |
| 586,409 | Jul. 13, 1897 | E.P. Woillard | Gas or Vapor Engine | gas and gasoline engines |
| 642,176 | Jan. 30, 1900 | E. Thomson | Internal Combustion Engine | gas and gasoline engines |
| 796,106 | Aug. 01, 1905 | J.L. Bogert | Internal-combustion heat-engine | gas and gasoline engines |
| 1,022,177 | Apr. 02, 1912 | B. Brazelle | Internal-combustion motor | gas and gasoline engines |
