Granted Patent
Utility
US 5,002,944 · App. 07/350,366
Compounds having cardiotonic activity
Inventors:
Alfred P. Spada, Henry F. Campbell, Donald E. Kuhla, William L. Studt, William C. Faith, Bruce F. Molino
Patented Case
View Patent ↗
Granted: Mar 26, 1991
Filed: May 11, 1989
Inventors
Alfred P. Spada
Henry F. Campbell
Donald E. Kuhla
William L. Studt
William C. Faith
Bruce F. Molino
Assignee (at issue)
Rhone-Poulenc Rorer Pharmaceuticals Inc.
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.