Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4602770 | Taphole drilling device for shaft furnaces | Pierre Mailliet, Henri Radoux, Guy Thillen | 1986-07-29 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4602770 | Taphole drilling device for shaft furnaces | Pierre Mailliet, Henri Radoux, Guy Thillen | 1986-07-29 |