Granted Patent
Utility
US 5,820,550 · App. 08/413,774
Pulse oximeter with improved accuracy and response time
Inventors:
Michael Polson, Gregory L. Morris
Patented Case
View Patent ↗
Granted: Oct 13, 1998
Filed: Mar 16, 1995
Inventors
Michael Polson
Gregory L. Morris
Assignee (at issue)
Novametrix Medical Systems, Inc.
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.