Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4885751 | Device for modulating a laser beam | — | 1989-12-05 |
| 4806731 | Process for marking the surface of a rolling mill | Adolphe A. Bragard, Jacques Halleux, Jacques Defourny | 1989-02-21 |