Issued Patents 2011
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8057123 | Device for a pavement manhole with a support frame for closing a panel hinged on the frame using permanent articulation means | — | 2011-11-15 |
| 7908710 | Device for articulating a cover or lid to a frame in particular of a manhole | Christian Fumalle | 2011-03-22 |
| 7908798 | Device for closing a frame having a panel articulated on the frame | — | 2011-03-22 |