Granted Patent
Utility
US 6,651,663 · App. 09/865,327
Nasal mask and system using same
Inventors:
Shari S. Barnett, Joseph M. Miceli, Jr., Peter Chi Fai Ho, Kristine K. Sabo
Patented Case
View Patent ↗
Granted: Nov 25, 2003
Filed: May 25, 2001
Inventors
Shari S. Barnett
Joseph M. Miceli, Jr.
Peter Chi Fai Ho
Kristine K. Sabo
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.