| All Patents in class 123/657 |
Patents 16 -
26
of 26
      |
| Number | Date | Patentee | Title | Type |
| 596,239 | Dec. 28, 1897 | J.B. Fenner | Gas Engine | |
| 601,210 | Mar. 22, 1898 | S.E. Maxwell | Gas Engine | gas and gasoline engines |
| 607,276 | Jul. 12, 1898 | J. Reid | Gas Engine | gas and gasoline engines |
| 639,160 | Dec. 12, 1899 | E. Fessard | Explosion Motor | gas and gasoline engines |
| 651,216 | Jun. 05, 1900 | F.W. Toedt | Gas Engine | gas and gasoline engines |
| 658,367 | Sep. 25, 1900 | E. Apperson, E. Haynes | Explosive Engine | gas and gasoline engines |
| 662,040 | Nov. 20, 1900 | T.J. Sturtevant, T.L. Sturtevant | Explosion Engine | internal combustion engines |
| 668,250 | Feb. 19, 1901 | S.M. Zurawski | Explosive Engine | internal combustion engines |
| 861,411 | Jul. 30, 1907 | C.W. Weiss | Internal Combustion Engine | oil engines |
| 936,558 | Oct. 12, 1909 | L.W. Noyes | Frame for Internal Combustion Engines | |
| 2,594,224 | Apr. 22, 1952 | C.H. Schowalter | Gas Engine | gas and gasoline engines |
