Granted Patent
Utility
US 5,901,704 · App. 08/645,110
Sleep apnea treatment apparatus with minimum leakage assurance circuit
Inventors:
Mark C. Estes, Janice M. Cattano
Patented Case
View Patent ↗
Granted: May 11, 1999
Filed: May 13, 1996
Inventors
Mark C. Estes
Janice M. Cattano
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.