Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4870338 | Load commutated inverter (LCI) induction motor drive | — | 1989-09-26 |
| 4847747 | Commutation circuit for load-commutated inverter induction motor drives | — | 1989-07-11 |
| 4833389 | Current source inverter control system for load commutated induction motor drive | Leonard J. Kovalsky | 1989-05-23 |
| 4811236 | Transmission line voltage detector for static VAR generator | Michael B. Brennen | 1989-03-07 |