Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4862052 | Method for stopping an electric motor | John C. Merrison, Timothy M. Rowan | 1989-08-29 |
| 4833386 | Apparatus and method for braking an electric motor | — | 1989-05-23 |
| 4800326 | Apparatus and methods for controlling induction motors | — | 1989-01-24 |