Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5453454 | Production of foam boards of high compressive strength from styrene polymers | Gerhard Alicke, Manfred Weilbacher, Bernardo Wolff, Hartmut Heinen, Franz-Josef Dietzen +1 more | 1995-09-26 |