Granted Patent
Utility
US 4,305,948 · App. 06/218,616
N-Hydroxy-1,2-dihydro-2-oxo-5-(pyridinyl)-nicotinimidamide and their cardiotonic use
Inventors:
Monte D. Gruett, George Y. Lesher
Patented Case
View Patent ↗
Granted: Dec 15, 1981
Filed: Dec 22, 1980
Inventors
Monte D. Gruett
George Y. Lesher
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.