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SOUND SYSTEM AND METHOD OF SOUND REPRODUCTION

12/561,607 | U.S. Patent Application

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Location ELECTRONIC

Filed Sept. 17, 2009

Examiner XU MEI

Class 381

Art Group 2614

Patent No. 7,974,425

Case Type Utility - 381/307000

Status Patented Case

Parent 11/762,725 Patented

Parent 10/74,604 Patented

Parent 60/267,952 Expired

Child 13/154,364 Abandoned

Last Updated: 1 year, 11 months ago

Date	#	Transaction
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SOUND SYSTEM AND METHOD OF SOUND REPRODUCTION

12/561,607 | U.S. Patent Application

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