Granted Patent
Utility
US 5,772,601 · App. 08/703,360
Apparatus for evaluating cardiac function of living subject
Inventors:
Tohru Oka, Hideichi Tsuda
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Aug 26, 1996
Inventors
Tohru Oka
Hideichi Tsuda
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.