Granted Patent
Utility
US 6,796,308 · App. 10/123,484
Mask cushion and frame assembly
Inventors:
Michael Kassipillai Gunaratnam, Gregory Scott Smart, Philip Rodney Kwok
Patented Case
View Patent ↗
Granted: Sep 28, 2004
Filed: Apr 17, 2002
Inventors
Michael Kassipillai Gunaratnam
Gregory Scott Smart
Philip Rodney Kwok
Assignee (at issue)
Resmed 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.