Granted Patent
Utility
US 5,490,506 · App. 08/218,811
Peripheral blood flow evaluating apparatus
Inventors:
Setsuo Takatani, Hiroshi Sakai
Patented Case
View Patent ↗
Granted: Feb 13, 1996
Filed: Mar 28, 1994
Inventors
Setsuo Takatani
Hiroshi Sakai
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.