Granted Patent
Utility
US 6,606,879 · App. 10/151,429
Accumulator assembly having a reversing valve and a heat pump system thereof
Inventor:
John Paul Telesz
Patented Case
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Granted: Aug 19, 2003
Filed: May 20, 2002
Inventor
John Paul Telesz
Assignee (at issue)
Delphi Technologies
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.