| All Patents in class 123/41.82R |
Patents 1 -
8
of 8
      |
| Number | Date | Patentee | Title | Type |
| 406,160 | Jul. 02, 1889 | E. Captaine | Gas Motor | |
| 542,743 | Jul. 16, 1895 | F.M. Underwood | Cylinder Head for Gas or Gasoline Engines | internal combustion engines |
| 543,614 | Jul. 30, 1895 | J. Day | Gas Engine | internal combustion engines |
| 544,210 | Aug. 06, 1895 | F.W. Cock | Gas Engine | internal combustion engines |
| 570,649 | Nov. 03, 1896 | R.J. Rolfson | Gas Engine | gas and gasoline engines |
| 637,298 | Nov. 21, 1899 | G.S. Strong | Gas Engine | gas and gasoline engines |
| 673,029 | Apr. 30, 1901 | J.W. Raymond | Cooling means for gas-engines | gas and gasoline engines |
| 1,213,340 | Jan. 23, 1917 | F.M. Davis | Gas-engine | cylinders |
