Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4868300 | Benzodiazinone-pyridazinone and hydroxy-pyrazolyl compounds, cardiotonic compositions including the same, and their uses | Donald E. Kuhla, Henry F. Campbell, William L. Studt, William C. Faith | 1989-09-19 |
| 4859672 | Pyrido[2,3-d]pyrimidinone and imidazo[4,5-b]pyrimidinone | Alfred P. Spada, Henry F. Campbell, Donald E. Kuhla, William L. Studt, William C. Faith | 1989-08-22 |
| 4818755 | Bicyclic heteroaryl thiazole compounds, cardiotonic compositions including the same, and their uses | Donald E. Kuhla, Henry F. Campbell, William L. Studt | 1989-04-04 |