Granted Patent
Utility
US 4,944,304 · App. 07/232,040
Electronic sphygmomanometer
Inventor:
Teruya Nishina
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: Aug 15, 1988
Inventor
Teruya Nishina
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.