Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847112 | Surface treatment of a rolling mill roll | — | 1989-07-11 |
| 4806731 | Process for marking the surface of a rolling mill | Adolphe A. Bragard, Frederic Terreur, Jacques Defourny | 1989-02-21 |