| 5216352 |
Solid state current controlled interruption system |
Donald H. Ward |
1993-06-01 |
| 5170310 |
Fail-resistant solid state interruption system |
Donald H. Ward, James V. Fixemer, Julius Michael Liptak |
1992-12-08 |
| 5110087 |
Variable force solenoid hydraulic control valve |
James R. Ward, Terry L. Forbes |
1992-05-05 |
| 5106053 |
Solenoid operated hydraulic control valve |
Alan L. Miller, Todd L. King, Kenneth R. Gallaher, Jerome J. Zawada, William P. Umlauf |
1992-04-21 |
| 4988967 |
Solenoid operated hydraulic control valve |
Alan L. Miller, Todd L. King, Kenneth R. Gallaher, Jerome J. Zawada, William P. Umlauf |
1991-01-29 |
| 4949215 |
Driver for high speed solenoid actuator |
Stanley B. Quinn, Jr., Todd L. King |
1990-08-14 |
| 4511834 |
Control and stabilizing system for damperless synchronous motor |
— |
1985-04-16 |
| 4511835 |
Voltage-controlled, inverter-motor system |
— |
1985-04-16 |
| 4488101 |
Starting system for chopper controlled motor-commutated thyristor inverter |
— |
1984-12-11 |
| 4291368 |
Pulse-width modulated inverter system and method |
Raymond J. Yarema |
1981-09-22 |