Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4835220 | Transparent, impact-resistant styrene block polymers and their preparation | Klaus Bronstert, Helmut Jenne | 1989-05-30 |
KG
Karl Gerberding
Overall (1989): #90,963 of 140,708Top 65%
1
Patents 1989