Granted Patent
Utility
US 5,680,869 · App. 08/714,814
Blood pressure measuring apparatus
Inventor:
Toshihiko Ogura
Patented Case
View Patent ↗
Granted: Oct 28, 1997
Filed: Sep 17, 1996
Inventor
Toshihiko Ogura
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.