| All Patents in class 123/348 |
Patents 16 -
30
of 31
      |
| Number | Date | Patentee | Title | Type |
| 452,520 | May 19, 1891 | A. Harding | Explosive Engine | ignition systems |
| 456,284 | Jul. 21, 1891 | C.H. Paxson, P.T. Coffield | Gas Engine | gas and gasoline engines |
| 482,202 | Sep. 06, 1892 | H. Schumm | Gas or Oil Motor Engine | gas and gasoline engines |
| 509,981 | Dec. 05, 1893 | C.B. Wattles | Gas Motor Engine | |
| 530,161 | Dec. 04, 1894 | L. Crébessac | Petroleum, Gas or Oil Engine | gas and gasoline engines |
| 538,680 | May 07, 1895 | L.M. Johnston | Gas Engine | internal combustion engines |
| 550,451 | Nov. 26, 1895 | A.A. Nott, J.J. Norman, H.A. Lauson | Gas Engine | gas and gasoline engines |
| 593,034 | Nov. 02, 1897 | F.W. Spacke | Gas Engine | gas and gasoline engines |
| 595,043 | Dec. 07, 1897 | J.Q. Chase | Gas Engine | gas and gasoline engines |
| 598,025 | Jan. 25, 1898 | S.S. Simrak | Gas Engine | gas and gasoline engines |
| 621,525 | Mar. 21, 1899 | J.H. Hamilton | Gas or Vapor Engine | gas and gasoline engines |
| 631,224 | Aug. 15, 1899 | R. Nuttall, Jr., R. Nuttall, Sr. | Gas Engine | gas and gasoline engines |
| 637,298 | Nov. 21, 1899 | G.S. Strong | Gas Engine | gas and gasoline engines |
| 640,018 | Dec. 26, 1899 | R. Nuttall, Jr., R. Nuttall, Sr. | Gas Engine | gas and gasoline engines |
| 662,718 | Nov. 27, 1900 | O.F. Good | Explosive Engine | internal combustion engines |
