Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883815 | Hydrocinnamic acid derivatives | Werner Aschwenden, Rene Imhof, Emilio Kyburz | 1989-11-28 |
RJ
Roland Jakob-Roetne
Overall (1989): #62,812 of 140,708Top 45%
1
Patents 1989