Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6667452 | High-voltage circuit-breaker having a spring-loaded control mechanism with an energy-recovering additional spring | — | 2003-12-23 |
| 4296289 | Electric gas-blast switch | Hans Wuthrich, Peter Krebs, Franz Eicher | 1981-10-20 |