Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4840976 | Production of closed-celled foams of high compressive strength | Ludwig Zuern, Manfred Weilbacher | 1989-06-20 |
RW
Reinhold Weber
Overall (1989): #66,650 of 140,708Top 50%
1
Patents 1989