| All Patents in class 123/69R |
Patents 1 -
15
of 23
      |
| Number | Date | Patentee | Title | Type |
| 259,736 | Jun. 20, 1882 | H. Wiedling | Gas Engine | gas and gasoline engines |
| 279,657 | Jun. 19, 1883 | H.S. Maxim | Gas Engine | gas and gasoline engines |
| 287,897 | Nov. 06, 1883 | C.W. Baldwin | Gas Engine | gas and gasoline engines |
| 292,894 | Feb. 05, 1884 | J. Charter | Gas Engine | gas and gasoline engines |
| 402,549 | Apr. 30, 1889 | S. Wilcox | Gas or Oil Engine | gas and gasoline engines |
| 508,833 | Nov. 14, 1893 | H. Junkers, W. Von Oechelhaeurser | Gas Engine | gas and gasoline engines |
| 528,006 | Oct. 23, 1894 | F.S. Mead | Gas Engine | gas and gasoline engines |
| 541,773 | Jun. 25, 1895 | F.S. Mead | Gas Engine | internal combustion engines |
| 544,586 | Aug. 13, 1895 | F.S. Mead | Gas or Oil Engine | gas and gasoline engines |
| 548,142 | Oct. 15, 1895 | H. Schumm | Apparatus for Working Gas or Oil Engines | gas and gasoline engines |
| 563,670 | Jul. 07, 1896 | F.S. Mead | Gas, Oil or Vapor Engine | gas and gasoline engines |
| 569,564 | Oct. 13, 1896 | F.C. Olin | Gas Engine | internal combustion engines |
| 576,604 | Feb. 09, 1897 | L.H. Nash | Gas Engine | gas and gasoline engines |
| 581,683 | Apr. 27, 1897 | W.O. Worth | Gas Engine | gas and gasoline engines |
| 592,033 | Oct. 19, 1897 | C.W. Weiss | Explosive Engine | oil engines |
