Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4883815 | Hydrocinnamic acid derivatives | Werner Aschwenden, Roland Jakob-Roetne, Emilio Kyburz | 1989-11-28 |
| 4876340 | Benzazecine derivatives for cognitive and memory functions | Werner Aschwanden, Roland Jakob, Emilio Kyburz | 1989-10-24 |