Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11999039 | Rotary-percussive hydraulic perforator provided with a stop piston and a braking chamber | Michel Escolle | 2024-06-04 |
| 11697197 | Hydraulic rotary-percussive hammer drill provided with a stop piston | Michel Escolle | 2023-07-11 |