Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6066820 | Spring drive mechanism for switchgear, in particular a circuit breaker | — | 2000-05-23 |
| 5981889 | Spring drive mechanism for switch gear, in particular a circuit breaker | — | 1999-11-09 |
| 5595287 | Spring drive for a switching apparatus | — | 1997-01-21 |
| 5541378 | Drive device for a power switch | — | 1996-07-30 |