Granted Patent
Utility
US 4,817,013 · App. 06/922,043
Multichannel gas analyzer and method of use
Inventors:
James E. Corenman, James R. Braig, Daniel S. Goldberger, Emil P. Rojas, James H. Stone
Patented Case
View Patent ↗
Granted: Mar 28, 1989
Filed: Oct 17, 1986
Inventors
James E. Corenman
James R. Braig
Daniel S. Goldberger
Emil P. Rojas
James H. Stone
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.