Granted Patent
Utility
US 6,823,869 · App. 10/235,846
Mask assembly
Inventors:
Milind Chandrakant Raje, Timothy Tsun-Fai Fu, Amal Shirley Amarasinghe, Joanne Elizabeth Drew, Robert Henry Frater, Memduh Guney, Clive Solari
Patented Case
View Patent ↗
Granted: Nov 30, 2004
Filed: Sep 6, 2002
Inventors
Milind Chandrakant Raje
Timothy Tsun-Fai Fu
Amal Shirley Amarasinghe
Joanne Elizabeth Drew
Robert Henry Frater
Memduh Guney
Clive Solari
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.