| All Patents in class 322/25 |
Patents 1 -
6
of 6
      |
| Number | Date | Patentee | Title | Type |
| 457,330 | Aug. 04, 1891 | T.E. Adams | Automatic Brush Shifter for Dynamo Electric Machines | electric generators |
| 613,853 | Nov. 08, 1898 | W.H. Chapman | Electric regulators | |
| 2,163,972 | Jun. 27, 1939 | G.R. Anderson | Control System for Dynamo-Electric Machines | voltage regulators |
| 2,502,098 | Mar. 28, 1950 | O. Lindfors | Voltage Regulator | motor generators |
| 3,210,644 | Oct. 05, 1965 | K.M. Sparrow | Dynamo Electric Machine | electric generators |
| 3,435,326 | Mar. 25, 1969 | R. Zechlin | Static Exciter Regulator for Generators | electric generators |