Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4850089 | Surface treatment of a rolling mill roll | Guy Monfort, Jean Crahay | 1989-07-25 |
| 4806731 | Process for marking the surface of a rolling mill | Jacques Halleux, Frederic Terreur, Jacques Defourny | 1989-02-21 |
| 4803374 | Continuous measurement of the surface roughness of a cold-rolled product | Guy Monfort | 1989-02-07 |