Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4859665 | Antihypertensive combination products containing a dihydropyridine and a pyridazodiazepine | Bernward Garthoff, Fridolin Hefti, Stanislav Kazda, Andreas Knorr | 1989-08-22 |