| All Patents in class 123/188.2 |
Patents 31 -
45
of 48
      |
| Number | Date | Patentee | Title | Type |
| 596,352 | Dec. 28, 1897 | E.R. Bales | Compound Gas Engine | gas and gasoline engines |
| 597,771 | Jan. 25, 1898 | H.H. Hennegin | Gas Engine | gas and gasoline engines |
| 599,496 | Feb. 22, 1898 | J. Fraser | Gas Engine | gas and gasoline engines |
| 607,566 | Jul. 19, 1898 | C. Jacobson | Gas Engine | gas and gasoline engines |
| 613,390 | Nov. 01, 1898 | F.C. Olin | Gas Engine | gas and gasoline engines |
| 626,275 | Jun. 06, 1899 | J. Froelich | Speed Regulator for Explosive Engines | internal combustion engine governors |
| 627,220 | Jun. 20, 1899 | E.J. Woolf | Air and Gas Engine | gas and gasoline engines |
| 630,083 | Aug. 01, 1899 | G. Horn, G. Hirt | Explosive Gas Engine | gas and gasoline engines |
| 632,888 | Sep. 12, 1899 | S.A. Ayres | Gas Engine | internal combustion engine governors |
| 640,394 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 640,672 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 656,101 | Aug. 14, 1900 | O.J. Fairchild | Explosive Engine | internal combustion engines |
| 714,853 | Dec. 02, 1902 | B.A. Williams, F.G. Bates | Gas or Vapor Engine | internal combustion engines |
| 718,511 | Jan. 13, 1903 | J.A. Ostenberg | Explosion Engine | internal combustion engine governors |
| 816,109 | Mar. 27, 1906 | T.J. Lutz, Jr. | Explosive Engine | gas and gasoline engines |
