Granted Patent
Utility
US 4,463,008 · App. 06/440,505
2-Alkoxy-5-(pyridinyl)pyridines and cardiotonic use thereof
Inventors:
George Y. Lesher, Chester J. Opalka, Jr., Baldev Singh
Patented Case
View Patent ↗
Granted: Jul 31, 1984
Filed: Nov 10, 1982
Inventors
George Y. Lesher
Chester J. Opalka, Jr.
Baldev Singh
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.