Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883722 | Brass-coated steel elements having improved rubber adhesion properties | Wilfried Coppens, Daniel Chambaere | 1989-11-28 |
| 4828000 | Steel substrate with brass covering layer for adhesion to rubber | Wilfried Coppens | 1989-05-09 |
| 4811583 | Feed-through elements therefor | Wilfried Coppens | 1989-03-14 |