| All Patents in class 261/DIG.25 |
Patents 1 -
15
of 20
      |
| Number | Date | Patentee | Title | Type |
| 39,448 | Aug. 04, 1863 | O.H. Kratze | Gas Engine | gas and gasoline engines |
| 306,924 | Oct. 21, 1884 | I.N. Hopkins | Gas Engine | gas and gasoline engines |
| 350,769 | Oct. 12, 1886 | G. Smyers, G. Rogot | Petroleum and Gas Motor | gas and gasoline engines |
| 370,242 | Sep. 20, 1887 | J. Charter | Gas Engine | gas and gasoline engines |
| 403,367 | May 14, 1889 | B. Parker, L.C. Parker | Gas or Gasoline Engine | |
| 439,200 | Oct. 28, 1890 | H.K. Shanck | Gas Engine | ignition systems |
| 450,091 | Apr. 07, 1891 | L.G. Woolley | Vaporizer for Gas Engines | carburetors |
| 525,857 | Sep. 11, 1894 | J. McGeorge | Gas Engine | gas and gasoline engines |
| 537,253 | Apr. 09, 1895 | G. Van Zandt | Gas Engine | internal combustion engines |
| 544,879 | Aug. 20, 1895 | D. Best | Gas Engine and Generator | internal combustion engines |
| 545,125 | Aug. 27, 1895 | B.W. Grist | Vaporizer for Gas Motor | carburetors |
| 563,541 | Jul. 07, 1896 | I.F. Allman | Vaporizer for Oil Engines | oil engines |
| 583,508 | Jun. 01, 1897 | J.W. Raymond | Gas Engine | carburetors |
| 602,556 | Apr. 19, 1898 | T.M. Doyle | Gas or Gasolene Engine | gas and gasoline engines |
| 626,275 | Jun. 06, 1899 | J. Froelich | Speed Regulator for Explosive Engines | internal combustion engine governors |
