Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5087500 | Multilayer panel | Dietmar Kasper, Herbert Woltron, Ulrich Eichenauer, Norbert Becker | 1992-02-11 |
| 4885206 | Foam composite and manufacture thereof | Onno Graalmann, Gerhard Turznik, Heinz Weber | 1989-12-05 |
| 4540717 | Resilient foam based on a melamine-formaldehyde condensate | Harald Mahnke, Frank P. Woerner, Heinz Weber | 1985-09-10 |
| 4511678 | Resilient foam based on a melamine-formaldehyde condensate | Harald Mahnke, Frank P. Woerner, Heinz Weber | 1985-04-16 |
| 4334971 | Manufacture of resilient foams based on a melamine-formaldehyde condensate | Harald Mahnke, Heinz Weber, Frank P. Woerner | 1982-06-15 |