| All Patents in class 123/268 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| RE10,878 | Nov. 01, 1887 | J.C. Beckfeld, A. Schmid | Gas Engine | gas and gasoline engines |
| 508,042 | Nov. 07, 1893 | A. Niemczÿk | Gas Motor | |
| 536,090 | Mar. 19, 1895 | V. List, J. Kosakoff | Petroleum or Oil Engine | oil engines |
| 748,011 | Dec. 29, 1903 | W. Remington | Feeding and Ingniting Device for Explosive Engines | ignition systems |
| 1,022,178 | Apr. 02, 1912 | B. Brazelle | Internal-combustion motor | gas and gasoline engines |
| 2,093,433 | Sep. 21, 1937 | A.E. Greene | Internal combustion engine | |
