Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880946 | High-or medium-tension compressed-gas circuit breaker taking circuit-breaking energy from the arc | Edmond Thuries, Denis Dufournet | 1989-11-14 |
| 4841788 | Energy storage device with zero latching force | Edmond Thuries, Jean-Paul Masson | 1989-06-27 |