Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889848 | Tricyclic pyridine derivatives | Ulf Fischer, Ulrich Widmer | 1989-12-26 |
| 4855297 | Tricyclic pyridone derivatives | Ulf Fischer | 1989-08-08 |
FS
Fernand Schneider
Overall (1989): #28,004 of 140,708Top 20%
2
Patents 1989