Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242549 | Electrical gas-blast circuit breaker and method of manufacture | Georg Koppl, Helmut Nowack | 1980-12-30 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4242549 | Electrical gas-blast circuit breaker and method of manufacture | Georg Koppl, Helmut Nowack | 1980-12-30 |