Granted Patent
Utility
US 5,649,536 · App. 08/391,701
Blood pressure measuring apparatus
Inventors:
Toshihiko Ogura, Toru Oka
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Feb 21, 1995
Inventors
Toshihiko Ogura
Toru Oka
Assignee (at issue)
Colin 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.