Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4866074 | Naphtheridinone- and pyridooxazinone-pyridone compounds, cardiotonic compositions including same, and their uses | Alfred P. Spada, William L. Studt, Henry F. Campbell, Donald E. Kuhla | 1989-09-12 |