Granted Patent
Utility
US 4,621,643 · App. 06/827,478
Calibrated optical oximeter probe
Inventors:
William New, Jr., James E. Corenman
Patented Case
View Patent ↗
Granted: Nov 11, 1986
Filed: Feb 5, 1986
Inventors
William New, Jr.
James E. Corenman
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.