Granted Patent
Utility
US 6,526,301 · App. 09/740,595
Direct to digital oximeter and method for calculating oxygenation levels
Inventors:
Michael T. Larsen, James L. Reuss
Patented Case
View Patent ↗
Granted: Feb 25, 2003
Filed: Dec 19, 2000
Inventors
Michael T. Larsen
James L. Reuss
Assignee (at issue)
Criticare 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.