Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7939777 | Vacuum interrupter chamber | Edgar Dullni, Kurt Kaltenegger | 2011-05-10 |
| 7906742 | Vacuum interrupter chamber and contact arrangement for a vacuum circuit breaker | Alexander Steffens, Kaveh Niayesh | 2011-03-15 |