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METHOD AND APPARATUS FOR SELECTIVE SILENCING OF TELEPHONE RINGING

15/341,209 | U.S. Patent Application

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Location ELECTRONIC
Filed Nov. 2, 2016
Examiner AKELAW TESHALE
Class 379
Art Group 2653
Patent No. 9,749,469
Case Type Utility - 379/142040
Status Patented Case
Parent 15/149,488 Patented
Parent 14/843,242 Patented
Parent 13/740,555 Patented
Parent 13/299,811 Patented
Parent 12/407,074 Patented
Parent 61/70,077 Expired
Last Updated: 4 years, 4 months ago
Date # Transaction