Granted Patent
Utility
US 4,685,464 · App. 06/752,404
Durable sensor for detecting optical pulses
Inventors:
Daniel S. Goldberger, James E. Corenman, Kenneth R. McCord
Patented Case
View Patent ↗
Granted: Aug 11, 1987
Filed: Jul 5, 1985
Inventors
Daniel S. Goldberger
James E. Corenman
Kenneth R. McCord
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.