Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5177139 | Moulding material made from elastomeric polyolefin rubbers, polyethylenes and/or ethylene copolymers and additives; and its use for elastic clamp-proof courses | Paul Spielau | 1993-01-05 |
| 4833005 | Laminate of fiber-reinforced, crosslinked polypropylene | Paul Spielau, Werner Kuhnel | 1989-05-23 |
| 4826552 | Process for the production of multiple-layer moldings | Hans-Ulrich Breitscheidel, Paul Spielau | 1989-05-02 |
| 4652326 | Process for the production of semifinished products and/or molded components from polypropylene | Paul Spielau, Werner Kuhnel, Bertram Gaspar, Richard Weiss, Horst Ulb +3 more | 1987-03-24 |