Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5281072 | Wagon for carrying a lifting cradle and a cradle therefor | Jean-Baptiste Patouillard, Jean-Louis Chevalier | 1994-01-25 |
| 4688968 | Chock block skidding device designed for the powered supports used in the mines | — | 1987-08-25 |
| 4662796 | Supporting pillar for mines | — | 1987-05-05 |