| All Patents in class 322/73 |
Patents 1 -
7
of 7
      |
| Picture | Number | Date | Patentee | Title |
| | 2,119,715 | Jun. 07, 1938 | I.O. Miner | Motor Control |
| | 2,502,098 | Mar. 28, 1950 | O. Lindfors | Voltage Regulator |
| | 3,056,913 | Oct. 02, 1962 | R. Zechlin, R.M. Henderson | Voltage Regulator for Generators |
| | 3,095,530 | Jun. 25, 1963 | W.H. Woodward | Digital Control Apparatus for Ward-Leonard Electrical Machines |
| | 3,211,988 | Oct. 12, 1965 | R. Zechlin, R.M. Henderson | Voltage Regulator with Accelerated Switching Means |
| | 3,304,488 | Feb. 14, 1967 | R. Zechlin, R.M. Henderson | Electronic Current Regulator |
| | 3,435,326 | Mar. 25, 1969 | R. Zechlin | Static Exciter Regulator for Generators |
