| All Patents in class 123/189 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 577,536 | Feb. 23, 1897 | A. Peugeot | Oil Engine | oil engines |
| 632,762 | Sep. 12, 1899 | H. Smith | Gas Engine | gas and gasoline engines |
| 633,339 | Sep. 19, 1899 | E. Uhlin, J. Clicquennoi, G. Dahlberg | Combination Steam and Gas Engine | steam engines |
| 816,062 | Mar. 27, 1906 | I.S. Barnett | Gas Engine | gas and gasoline engines |
| 873,963 | Dec. 17, 1907 | B.A. Slocum | Internal Combustion Engine | internal combustion engines |
| 895,056 | Aug. 04, 1908 | C.G. Sprado | Valve and Valve Gearing | internal combustion engine valves |
