Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814346 | Benzopyrans and use thereof in treating vascular diseases | Friedrich W. Zilliken | 1989-03-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4814346 | Benzopyrans and use thereof in treating vascular diseases | Friedrich W. Zilliken | 1989-03-21 |