Granted Patent
Utility
US 4,944,305 · App. 07/343,522
Blood pressure monitoring apparatus
Inventors:
Nariyasu Takatsu, Hidenobu Nakashima
Patented Case
View Patent ↗
Granted: Jul 31, 1990
Filed: Apr 20, 1989
Inventors
Nariyasu Takatsu
Hidenobu Nakashima
Assignee (at issue)
Colin Electronics 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.