Granted Patent
Utility
US 4,866,182 · App. 07/157,430
Cardiotonic alkanoyl and aroyl oxazolones
Inventors:
Richard A. Schnettler, Winton D. Jones, Richard C. Dage
Patented Case
View Patent ↗
Granted: Sep 12, 1989
Filed: Feb 18, 1988
Inventors
Richard A. Schnettler
Winton D. Jones
Richard C. Dage
Assignee (at issue)
Merrell Dow 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.