Granted Patent
Utility
US 6,339,421 · App. 09/364,742
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Inventor:
Larry Puckeridge
Patented Case
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Granted: Jan 15, 2002
Filed: Jul 30, 1999
Inventor
Larry Puckeridge
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.