Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7994442 | Rack gear for electrical circuit breaker | Olaf Hunger | 2011-08-09 |
| 7902478 | Switching chamber for a gas-insulated high-voltage switch | Martin Kriegel, Olaf Hunger | 2011-03-08 |