Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4880870 | Polymer granulate, a process for its preparation, and its use | Wolfgang Zimmermann | 1989-11-14 |
AH
Albrecht Harreus
Overall (1989): #133,582 of 140,708Top 95%
1
Patents 1989