Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4652326 | Process for the production of semifinished products and/or molded components from polypropylene | Paul Spielau, Werner Kuhnel, Karlo Klaar, Bertram Gaspar, Richard Weiss +3 more | 1987-03-24 |
| 4379198 | Composite material containing a thermoplastic synthetic resin layer | Hans Jaeschke, Paul Spielau | 1983-04-05 |
| 4205107 | Endless composite sheet material | Hans Jaschke, Rudolf Kautz, Hermann Plate | 1980-05-27 |