Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4847354 | Shaped structure of aromatic copolyamide from aromatic diamine mixture | Gunter Keil, Franz Jakob, Klaus Warning | 1989-07-11 |
FH
Friedrich Herold
Overall (1989): #114,764 of 140,708Top 85%
1
Patents 1989