Method and apparatus for selective silencing of telephone ringing | Patent Number 09497321

US 09497321 B2
Application Number15149488
Publication NumberUS 20160255193 A1
Pendency6 months, 10 days
Filled DateMay 9, 2016
Priority DateMar 20, 2008
Publication DateSep 1, 2016
Expiration DateMar 19, 2028
Inventor/ApplicantsSteve Cha
Steve CHA
ExaminesTESHALE, AKELAW
Art Unit2653
Technology Center2600
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