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SOUND SYSTEM AND METHOD OF SOUND REPRODUCTION

11/762,725 | U.S. Patent Application

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Location ELECTRONIC
Filed June 13, 2007
Examiner XU MEI
Class 381
Art Group 2614
Patent No. 7,593,533
Case Type Utility - 381/017000
Status Patented Case
Parent 10/74,604 Patented
Parent 60/267,952 Expired
Child 12/561,607 Patented
Child 13/154,364 Abandoned
Last Updated: 5 years, 1 month ago
Date # Transaction