| All Patents in class 123/90.64 |
Patents 1 -
7
of 7
      |
| Number | Date | Patentee | Title | Type |
| 253,709 | Feb. 14, 1882 | R. Hutchinson | Gas Engine | gas and gasoline engines |
| 284,557 | Sep. 04, 1883 | G.M. Hopkins | Gas Engine | gas and gasoline engines |
| 581,385 | Apr. 27, 1897 | E.P. Woillard | Gas or Vapor Engine | cylinders |
| 600,675 | Mar. 15, 1898 | J. Lizotte | Gas Engine | gas and gasoline engines |
| 606,504 | Jun. 28, 1898 | S. Bouton | Explosive 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 |
