Granted Patent
Utility
US 6,183,423 · App. 09/307,678
Breathing disorder prescreening device and method
Inventors:
Roger Paul Gaumond, Seok-Hyon Jo
Patented Case
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Granted: Feb 6, 2001
Filed: May 10, 1999
Inventors
Roger Paul Gaumond
Seok-Hyon Jo
Assignees (at issue)
Respironics, Inc.
THE PENN STATE RESEARCH FOUNDATION
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.