Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8044318 | Interrupting chamber of a circuit-breaker having two compression volumes | Denis Dufournet, Dan Penache, Michel Tresy | 2011-10-25 |
| 7964816 | Interrupting chamber having two compression chambers | Denis Dufournet | 2011-06-21 |