Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4882208 | Multilayer composite sheet, especially for use as a padding layer under artificial grass | Rudolf Kautz, Karl-Heinz Sandermann | 1989-11-21 |
| 4826552 | Process for the production of multiple-layer moldings | Karlo Klaar, Paul Spielau | 1989-05-02 |