Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4704166 | Process for the production of medium carbon steel wire rod | Norbert Bach, Marios Economopoulos, Marc Gredt, Guy Lessel | 1987-11-03 |
| 4605449 | Process for producing a rolled steel product having high weldability, a high yield strength and a good notch impact toughness at very low temperatures | Jean de la Hamette, Guy Lessel, Jean-Paul Beck, Armand Frantz | 1986-08-12 |
| 4434368 | Method of measuring the reducing power of gases over the charge in a blast furnace | Jean Liesch, Nico Reiff, Vlasta Reimen, Romain Schmit, Jo Simon +1 more | 1984-02-28 |