Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4395163 | Mining appliance | — | 1983-07-26 |
| 4326449 | Double acting hydraulic jack with an end of stroke device | — | 1982-04-27 |
| 4300642 | Device for reaming and collecting dust, for a drilling apparatus | — | 1981-11-17 |
| 4291771 | Rotary percussion hydraulic drilling machine | — | 1981-09-29 |
| 4286899 | Process for positioning strengthening rods in mine levels and public works | Alain Benichou | 1981-09-01 |
| 4215953 | Device for injecting cartridges of resin for bolting apparatus | — | 1980-08-05 |