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DIGITAL SOUND PROCESSING SYSTEM FOR A VEHICLE

12/473,843 | U.S. Patent Application

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Location ELECTRONIC
Filed May 28, 2009
Examiner XU MEI
Class 381
Art Group 2614
Patent No. 7,853,026
Case Type Utility - 381/086000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 11/52,623 Patented
Parent 10/190,809 Patented
Parent 09/466,010 Patented
Parent 09/396,179 Patented
Parent 09/382,720 Patented
Parent 09/449,121 Patented
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Last Updated: 2 years, 6 months ago
Date # Transaction