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AUDIO CONTROLLER FOR PORTABLE ELECTRONIC DEVICES

10/658,229 | U.S. Patent Application

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Location ELECTRONIC
Filed Sept. 9, 2003
Examiner ILWOO PARK
Class 710
Art Group 2182
Patent No. 7,444,439
Case Type Utility - 710/014000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/650,515 Patented
Parent 09/595,103 Patented
Parent 09/136,207 Patented
Parent 60/79,508 Expired
Last Updated: 4 years, 4 months ago
Date # Transaction