| All Patents in class 123/543 |
Patents 1 -
9
of 9
      |
| Picture | Number | Date | Patentee | Title |
 | 15,438 | Jul. 29, 1856 | T.T. Prosser | Sawing machine |
| | 402,549 | Apr. 30, 1889 | S. Wilcox | Gas or Oil Engine |
| | 523,511 | Jul. 24, 1894 | H. Campbell | Oil Engine |
| | 532,098 | Jan. 08, 1895 | J. Robison | Gas, Oil or Vapor Engine |
| | 532,100 | Jan. 08, 1895 | J. Robison | Vaporizing and Ignition Device |
 | 532,219 | Jan. 08, 1895 | A. Spiel, C. Spiel | Hydrocarbon Engine |
| | 580,444 | Apr. 13, 1897 | H.C. Baker | Gas Engine |
| | 597,860 | Jan. 25, 1898 | S. Rolfe | Explosion Engine |
| | 1,801,086 | Apr. 14, 1931 | A.C. Boock, C.B. Jahnke | Power Plant |
