Granted Patent
Utility
US 4,604,481 · App. 06/490,476
Compounds for treatment or prophylaxis of cardiac disorders
Inventors:
Sheung T. Kam, Paul W. Erhardt, Robert J. Borgman, John O'Donnell
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: May 25, 1983
Inventors
Sheung T. Kam
Paul W. Erhardt
Robert J. Borgman
John O'Donnell
Assignee (at issue)
American Hospital Supply Corp.
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.