Method and apparatus for selective silencing of telephone ringing | Patent Publication Number 20170054845

US 20170054845 A1

Patent NumberUS 09749469 B2

Application Number15341209

Filled DateNov 2, 2016

Priority DateMar 20, 2008

Publication DateFeb 23, 2017

Original Assignee

Current Assignee

Inventor/ApplicantsSteve CHA
Steve Cha

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