Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866323 | Synchronous electric motor with magnetised rotor and method of manufacturing this motor | Gilbert Drey, Norbert Veignat | 1989-09-12 |
| 4823040 | Single-stage, two-phase of four-phase synchronous electric motor | — | 1989-04-18 |