Granted Patent
Utility
US 4,522,818 · App. 06/434,302
Diuretic/antihypertensive compositions
Inventor:
Yegnaswami Raghunathan
Patented Case
View Patent ↗
Granted: Jun 11, 1985
Filed: Oct 14, 1982
Inventor
Yegnaswami Raghunathan
Assignee (at issue)
Pennwalt Corporation
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.