Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5525637 | Expandable styrene polymers | Rolf Henn, Klaus Hahn, Andreas Deckers, Wolfgang Loth, Uwe Blumenstein +1 more | 1996-06-11 |
| 5496864 | Expandable styrene polymers | Rolf Henn, Klaus Hahn, Hans Ho/ nl, Walter Heckmann, Karl-Heinz Wassmer +1 more | 1996-03-05 |