Granted Patent
Utility
US 6,766,800 · App. 10/231,859
Pressure regulating valve for use in continuous positive airway pressure devices
Inventors:
Edmond Chu, Tim Quinn, Larry Murdock, Hung Tran
Patented Case
View Patent ↗
Granted: Jul 27, 2004
Filed: Aug 30, 2002
Inventors
Edmond Chu
Tim Quinn
Larry Murdock
Hung Tran
Assignee (at issue)
SENSORMEDICS CORPORATION
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.