Issued Patents 1989
Showing 1–4 of 4 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, Bruce F. Molino | 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, Bruce F. Molino | 1989-08-22 |
| 4826835 | Pyridyl-pyridazinone and pyridyl-pyrazolinone compounds and their use in the treatment of congestive heart failure | Donald E. Kuhla, Henry F. Campbell, William L. Studt | 1989-05-02 |
| 4806535 | Imidazolylphenyl and 1,2,4-triazolylphenyl benzopyridazinone and pyridopyridazinone compounds and their use for increasing cardiatonic contractility | Henry F. Campbell, Donald E. Kuhla, William L. Studt, James L. Barnes | 1989-02-21 |