Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4689717 | Cast housing for medium-voltage switchgear | Karl Munzinger, Jörg Peter, Denis Poole, Jan G. Vit | 1987-08-25 |
| 4675484 | Gas-blast circuit breaker | Jurg Ischi | 1987-06-23 |