Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6251338 | Pivoting device with arm and control rod | Romain Clesen | 2001-06-26 |
| 5056968 | Device for coupling a rod for drilling a taphole | Jean Metz | 1991-10-15 |
| 5039068 | Machine for drilling tapholes of a shaft furnace | Jean Metz, Pierre Mailliet | 1991-08-13 |