Issued Patents 1989
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835431 | Transformer and synchronous machine with stationary field winding | — | 1989-05-30 |
| 4831298 | Inductive torque transmitter with stationary field winding | — | 1989-05-16 |
| 4831300 | Brushless alternator and synchronous motor with optional stationary field winding | — | 1989-05-16 |
| 4829205 | Dual-rotary induction motor with stationary field winding | — | 1989-05-09 |