Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826721 | Laminated materials of pretreated fibre material and vulcanization products of hydrogenated nitrile rubber | Werner Obrecht, John Goossens, Jean Mirza, Joachim Thormer, Zsolt Szentivanyi | 1989-05-02 |