Issued Patents All Time
Showing 51–52 of 52 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4331736 | Process utilizing release agent | Helmer Radisch, Reinhold Fuchs, Gunther Esser | 1982-05-25 |
| 4255525 | Small particulate expandable styrene polymer molding compositions | Josef K. Rigler, Horst Leithauser, Karl Trukenbrod, Werner Bollmann | 1981-03-10 |