Method and apparatus for selective silencing of telephone ringing | Patent Publication Number 20140198903

US 20140198903 A1

Patent NumberUS 09167088 B2

Application Number13740555

Filled DateJan 14, 2013

Priority DateMar 20, 2008

Publication DateJul 17, 2014

Original Assignee

Current Assignee

Inventor/ApplicantsSteve Cha

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