Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883815 | Hydrocinnamic acid derivatives | Rene Imhof, Roland Jakob-Roetne, Emilio Kyburz | 1989-11-28 |
WA
Werner Aschwenden
Overall (1989): #137,065 of 140,708Top 100%
1
Patents 1989