Granted Patent
Utility
US 5,701,883 · App. 08/707,185
Oxygen mixing in a blower-based ventilator
Inventors:
Bernie F. Hete, James D. Srock
Patented Case
View Patent ↗
Granted: Dec 30, 1997
Filed: Sep 3, 1996
Inventors
Bernie F. Hete
James D. Srock
Assignee (at issue)
Respironics, Inc.
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.