Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5308558 | Process for foaming thermoplastic polycarbonates | Klaus Kircher, Klaus Horn, Johann Piontek, Burkhard Kohler, Wolfgang Ebert | 1994-05-03 |
| 4273880 | Foamed polyethylene films | Wichard Pump, Wolfgang Becker | 1981-06-16 |