Granted Patent
Utility
US 5,694,923 · App. 08/697,831
Pressure control in a blower-based ventilator
Inventors:
Bernie F. Hete, Peter D. Hill, Michael James Beiriger
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Aug 30, 1996
Inventors
Bernie F. Hete
Peter D. Hill
Michael James Beiriger
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.