Granted Patent
Utility
US 6,228,036 · App. 09/500,990
Electronic sphygmomanometer and method for measuring blood pressure
Inventor:
Takashi Nakanishi
Patented Case
View Patent ↗
Granted: May 8, 2001
Filed: Feb 15, 2000
Inventor
Takashi Nakanishi
Assignee (at issue)
CITIZEN WATCH CO., LTD.
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.