Method and apparatus for selective silencing of telephone ringing | Patent Publication Number 20160255193

US 20160255193 A1

Patent NumberUS 09497321 B2

Application Number15149488

Filled DateMay 9, 2016

Priority DateMar 20, 2008

Publication DateSep 1, 2016

Original Assignee

Current Assignee

Inventor/ApplicantsSteve CHA
Steve Cha

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