Granted Patent
Utility
US 5,842,981 · App. 08/683,617
Direct to digital oximeter
Inventors:
Michael T. Larsen, James L. Reuss
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Jul 17, 1996
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.