Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4816598 | 4-Amino-butanoic acid derivatives | Walter Verstraeten | 1989-03-28 |
| 4814485 | 4-aminobutanoic acid derivatives, process of preparation and use thereof | Dino Nisato, Walter Verstraeten | 1989-03-21 |