Issued Patents 1982
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4361791 | Apparatus for controlling a PWM inverter-permanent magnet synchronous motor drive | — | 1982-11-30 |
| 4321478 | Auxiliary power supply with kinetic energy storage | Fred G. Turnbull | 1982-03-23 |
| 4320331 | Transistorized current controlled pulse width modulated inverter machine drive system | — | 1982-03-16 |