| All Patents in class 123/332 |
Patents 31 -
45
of 73
      |
| Number | Date | Patentee | Title | Type |
| 519,880 | May 15, 1894 | H. Swain | Gas Engine | internal combustion engine governors |
| 525,857 | Sep. 11, 1894 | J. McGeorge | Gas Engine | gas and gasoline engines |
| 528,115 | Oct. 23, 1894 | H. Schumm | Gas or Oil Engine | gas and gasoline engines |
| 535,964 | Mar. 19, 1895 | H. Swain | Gas Engine | gas and gasoline engines |
| 549,677 | Nov. 12, 1895 | F. Mayer | Vapor Engine | |
| 550,185 | Nov. 19, 1895 | J. Kosakoff, V. List | Petroleum or Oil Engine | oil engines |
| 555,791 | Mar. 03, 1896 | E.E. Euchenhofer, C.J. Weinman | Gas Engine | gas and gasoline engines |
| 558,369 | Apr. 14, 1896 | J.W. Eisenhuth | Gas Engine | gas and gasoline engines |
| 563,670 | Jul. 07, 1896 | F.S. Mead | Gas, Oil or Vapor Engine | gas and gasoline engines |
| 569,386 | Oct. 13, 1896 | F.C. Olin | Gas Engine | internal combustion engines |
| 580,444 | Apr. 13, 1897 | H.C. Baker | Gas Engine | internal combustion engine valves |
| 584,188 | Jun. 08, 1897 | S.D. McLelland, P.B. McLelland | Gas or Vapor Engine | |
| 585,652 | Jul. 06, 1897 | J.A. Charter | Gas Engine | |
| 586,312 | Jul. 13, 1897 | C. Jacobson | Gas Engine | |
| 593,859 | Nov. 16, 1897 | A. Rosenberg | Gas Engine | gas and gasoline engines |
