Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4820819 | 5-phenyl-3[2H]-pyridazinone derivatives | Anthony Maitland Roe, William J. Coates, Stephen P. Breukelman | 1989-04-11 |
| 4812573 | Pharmaceutically active compounds | Graham J. Durant, Andrew Gribble | 1989-03-14 |