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Ceiling Tile Microphone System

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

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Filed May 12, 2020
Examiner TRUONG, KENNY H
Class 381
Art Group 2653
Patent No. 11,601,749
Case Type Utility
Status Patented Case
Child 17/110,898 Patented Case
Child 17/111,759 Patented Case
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Last Updated: 5 months ago
Date # Transaction