| All Patents in class 123/41.69 |
Patents 1 -
10
of 10
      |
| Picture | Number | Date | Patentee | Title |
 | 284,555 | Sep. 04, 1883 | G.M. Hopkins | Gas Engine |
 | 313,923 | Mar. 17, 1885 | G. Daimler | Gas Engine |
 | 326,562 | Sep. 22, 1885 | L.N. Hopkins, G.M. Hopkins | Gas Engine |
| | 596,271 | Dec. 28, 1897 | F.W. Lanchester | Cooling Device for Explosive Engines |
| | 625,416 | May 23, 1899 | L.L. Revel | Carbureted Air or Other Fluid Pressure Engine |
| | 654,356 | Jul. 24, 1900 | J. Rambaud | Gas or Petroleum Motor |
| | 656,539 | Aug. 21, 1900 | R.A. Frisbie | Multiple-Cylinder Gas-Engine |
| | 1,060,733 | May 06, 1913 | C.L. Bailey | Heat Radiating Device |
 | 1,302,692 | May 06, 1919 | P.J. Messer | Engine Cylinder |
 | 1,429,818 | Sep. 19, 1922 | J.F. Woolf, E.J. Woolf | Gas Engine |
