Granted Patent
Utility
US 6,701,170 · App. 10/033,703
Blind source separation of pulse oximetry signals
Inventor:
Paul F. Stetson
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Nov 2, 2001
Inventor
Paul F. Stetson
Assignee (at issue)
NELLCOR PURITAN BENNETT LLC
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.