Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4826980 | Pyridazine intermediates | Cedric H. Hassall, Geoffrey Lawton | 1989-05-02 |
| 4808713 | Anthypertensive pyridazo [1,2-a][1,2]diazepines | Michael R. Attwood, Cedric H. Hassall, Robert W. Lambert, Geoffrey Lawton | 1989-02-28 |