Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8020323 | Drilling tool | Philippe Chagnot, Fabrice Mathieu, Daniel Perpezat | 2011-09-20 |
| 7765723 | Cutter head for an excavator machine | Philippe Chagnot | 2010-08-03 |
| 7591514 | Cutter head for an excavator machine | Philippe Chagnot | 2009-09-22 |