Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4892867 | Antiandrogenic 17-alpha-alkyl steroids | Rudolf Wiechert, Dieter Bittler, Annerose Schleusener | 1990-01-09 |
| 4814175 | Nifedipine combination preparation | Johannes Tack, Fred Windt-Hanke | 1989-03-21 |
| 4558041 | Antiandrogenic 17.alpha.-substituted steroids | Rudolf Wiechert, Dieter Bittler, Annerose Schleusener | 1985-12-10 |
| 4456600 | Antiandrogenic 17.alpha.-alkyl steroids | Rudolf Wiechert, Dieter Bittler, Annerose Schleusener | 1984-06-26 |
| 4344941 | Antiandrogenic 17.alpha.-substituted steroids | Rudolf Wiechert, Dieter Bittler, Annerose Schleusener | 1982-08-17 |