Granted Patent
Utility
US 4,313,951 · App. 06/198,461
3-Substituted-6-(lower-alkyl)-5-(pyridinyl)-2(1H)-pyridinones, their cardiotonic use and intermediates therefor
Inventors:
George Y. Lesher, Richard E. Philion
Patented Case
View Patent ↗
Granted: Feb 2, 1982
Filed: Oct 20, 1980
Inventors
George Y. Lesher
Richard E. Philion
Assignee (at issue)
Sterling Drug, 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.