Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806580 | Stabilizer mixtures for plastics | Hubert Trauth, Wilhelm Weber, Peter Lechtken | 1989-02-21 |
GB
Gustav Bock
Overall (1989): #109,691 of 140,708Top 80%
1
Patents 1989