Granted Patent
Utility
US 5,267,563 · App. 07/722,645
Oximeter sensor with perfusion enhancing
Inventors:
David Swedlow, Paul D. Mannheimer, Jessica Ash Warring
Patented Case
View Patent ↗
Granted: Dec 7, 1993
Filed: Jun 28, 1991
Inventors
David Swedlow
Paul D. Mannheimer
Jessica Ash Warring
Assignee (at issue)
Nellcor Incorporated
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.