| All Patents in class 73/508 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 494,746 | Apr. 04, 1893 | F. Phillips | Governor for steam-engines | steam engine governors |
| 640,673 | Jan. 02, 1900 | G.W. Lewis | Gas Engine | gas and gasoline engines |
| 667,595 | Feb. 05, 1901 | F.W. Spacke | Automatic Stop for Governors | steam engine governors |
| 868,119 | Oct. 15, 1907 | R.H. Pascall | Governor | steam engine governors |
| 979,289 | Dec. 20, 1910 | S.S. Hall | Self Locking Automatic Stop for Governors | internal combustion engine governors |
| 1,121,201 | Dec. 15, 1914 | W.O. Platt | Governor | internal combustion engine governors |
