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| All Patents in class 73/536 | |||||
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| Picture | Number | Date | Patentee | Title | |
| 181,927 | Sep. 05, 1876 | G.F. Ernst | Governors for Steam Engines | ||
 | 287,822 | Nov. 06, 1883 | R.W. Gardner | Governor | |
 | 358,296 | Feb. 22, 1887 | A.D. Quint | Steam-engine governor | |
| 582,231 | May 11, 1897 | F.M. Rites | Governor for Fluid Pressure Engines | ||
| 658,775 | Oct. 02, 1900 | C.O. Heggem | Shaft Governor | ||
 | 849,129 | Apr. 02, 1907 | W. Hardwick | Governor | |
| 941,775 | Nov. 30, 1909 | M. Haeberlein | Fly Ball Governor | ||