Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5496864 | Expandable styrene polymers | Rolf Henn, Klaus Hahn, Walter Heckmann, Karl-Heinz Wassmer, Erich Klement +1 more | 1996-03-05 |
HN
Hans Ho/ nl
Overall (All Time): #3,737,633 of 4,157,543Top 90%
1
Patents All Time