| All Patents in class 123/73AB | 
| Patents 1 - 
					15
					of 24 
       | 
| Number | Date | Patentee | Title | Type | 
| 386,208 | Jul. 17, 1888 | L.H. Nash | Gas Engine | gas and gasoline engines | 
| 386,210 | Jul. 17, 1888 | L.H. Nash | Gas Engine | gas and gasoline engines | 
| 401,453 | Apr. 16, 1889 | L.H. Nash | Gas Engine | gas and gasoline engines | 
| 430,312 | Jun. 17, 1890 | J.W. Eisenhuth | Single Acting Explosive Engine |  | 
| 434,171 | Aug. 12, 1890 | C.W. Baldwin | Gas Engine | gas and gasoline engines | 
| 531,182 | Dec. 18, 1894 | R.B. Hain | Combustible Vapor Engine |  | 
| 544,214 | Aug. 06, 1895 | J. Day | Gas Engine | internal combustion engines | 
| 579,860 | Mar. 30, 1897 | O. Colborne | Gas Engine | gas and gasoline engines | 
| 585,434 | Jun. 29, 1897 | W.E. Gibbon | Explosive Engine | internal combustion engines | 
| 592,033 | Oct. 19, 1897 | C.W. Weiss | Explosive Engine | oil engines | 
| 599,653 | Feb. 22, 1898 | R.B. Hain | Multiple Cylinder Vapor Engine | gas and gasoline engines | 
| 603,125 | Apr. 26, 1898 | C.W. McKibben, J. Carnes | Gas Engine | gas and gasoline engines | 
| 605,583 | Jun. 14, 1898 | R.L. Merritt | Internal Combustion Engine | internal combustion engines | 
| 607,536 | Jul. 19, 1898 | M.F. Bates | Gas Engine | gas and gasoline engines | 
| 617,372 | Jan. 10, 1899 | E.E. Truscott | Explosive Engine | gas and gasoline engines |