Granted Patent
Utility
US 6,728,342 · App. 10/143,624
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Inventor:
Arnold M. Lund
Patented Case
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Granted: Apr 27, 2004
Filed: May 9, 2002
Inventor
Arnold M. Lund
Assignee (at issue)
Qwest Communications International 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.