| All Patents in class 123/403 | 
| Patents 1 - 
					8
					of 8 
       | 
| Number | Date | Patentee | Title | Type | 
| 401,453 | Apr. 16, 1889 | L.H. Nash | Gas Engine | gas and gasoline engines | 
| 488,483 | Dec. 20, 1892 | J.W. Raymond | Gas Engine | internal combustion engine governors | 
| 515,530 | Feb. 27, 1894 | E. Narjot | Gas Engine | internal combustion engines | 
| 578,377 | Mar. 09, 1897 | J. Walrath | Explosive Engine |  | 
| 613,284 | Nov. 01, 1898 | J.S. Klein | Supply Controlling Mechanism for Gas Engines | internal combustion engine governors | 
| 632,859 | Sep. 12, 1899 | J. Walrath | Explosive Engine | gas and gasoline engines | 
| 652,544 | Jun. 26, 1900 | C.A. Miller | Gas Engine | internal combustion engine governors | 
| 659,911 | Oct. 16, 1900 | D.E. Barnard | Gas Engine | gas and gasoline engines |