Granted Patent
Utility
US 6,543,449 · App. 09/156,463
Medical ventilator
Inventors:
Paul Lawrence Woodring, JR., Gardner Kimm, Robert L. Stephenson, David R. Rogers, Donald J. Novkov, Rebecca A. Mabry, Steve Harrington
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Sep 18, 1998
Inventors
Paul Lawrence Woodring, JR.
Gardner Kimm
Robert L. Stephenson
David R. Rogers
Donald J. Novkov
Rebecca A. Mabry
Steve Harrington
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.