Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6218636 | Switchgear arc extinguishing chamber with side walls made of composite material | Marc Rival | 2001-04-17 |
| 6018284 | Circuit breaker with high electrodynamic strength and breaking capacity | Marc Rival, Claude Grelier | 2000-01-25 |