Granted Patent
Utility
US 4,653,498 · App. 06/867,005
Pulse oximeter monitor
Inventors:
William New, Jr., James E. Corenman
Patented Case
View Patent ↗
Granted: Mar 31, 1987
Filed: May 20, 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.