Granted Patent
Utility
US 5,782,237 · App. 08/413,578
Pulse oximeter and sensor optimized for low saturation
Inventors:
James R. Casciani, Paul D. Mannheimer, Steve L. Nierlich, Stephen J. Ruskewicz
Patented Case
View Patent ↗
Granted: Jul 21, 1998
Filed: Mar 30, 1995
Inventors
James R. Casciani
Paul D. Mannheimer
Steve L. Nierlich
Stephen J. Ruskewicz
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.