Phone directory in a voice over IP telephone system | Patent Publication Number 20040062235

US 20040062235 A1
Patent NumberUS 08391298 B2
Application Number10447607
Filled DateMay 29, 2003
Priority DateFeb 1, 2001
Publication DateApr 1, 2004
Original AssigneeEstech Systems Inc.
Current AssigneeEstech Systems Inc.
Inventor/ApplicantsHarold E. A. Hansen, II
Eric G. Suder
Eric G. Suder
Harold E.A. II Hansen
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