Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889848 | Tricyclic pyridine derivatives | Fernand Schneider, Ulrich Widmer | 1989-12-26 |
| 4855297 | Tricyclic pyridone derivatives | Fernand Schneider | 1989-08-08 |
UF
Ulf Fischer
Overall (1989): #13,707 of 140,708Top 10%
2
Patents 1989