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Ceiling Tile Microphone System

16/872,557 | U.S. Patent Application

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Location ELECTRONIC
Filed May 12, 2020
Examiner KENNY H TRUONG
Class 381
Art Group 2653
Patent No. 11,601,749
Case Type Utility - 381/091000
Status Patented Case
Parent 15/218,297 Patented
Parent 14/475,849 Patented
Parent 14/276,438 Patented
Parent 14/191,511 Abandoned
Parent 61/828,524 Expired
Parent 61/771,751 Expired
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Last Updated: 1 year ago
Date # Transaction