Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7404458 | Rotary percussive drilling device | Frederic Brongniart | 2008-07-29 |
| 7243753 | Carrier vehicle for drilling or rockbolting machine | Jean-Claude Barthomeuf, Alain Comorge, Alexandre Miralles | 2007-07-17 |