Issued Patents 1997
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5698603 | Expandable styrene polymers containing recycled material | Dietrich Scherzer, Klaus Hahn, Michael Witt | 1997-12-16 |
ML
Maria Lorenz
Overall (1997): #109,001 of 185,788Top 60%
1
Patents 1997