Granted Patent
Utility
US 6,708,690 · App. 09/652,747
Apparatus and method for providing high frequency variable pressure to a patient
Inventors:
Bernie F. Hete, Michael Bobeck
Patented Case
View Patent ↗
Granted: Mar 23, 2004
Filed: Aug 31, 2000
Inventors
Bernie F. Hete
Michael Bobeck
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.