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, Arthur Schummer | 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 | Arthur Schummer, Jean de la Hamette, Jean-Paul Beck, Armand Frantz | 1986-08-12 |