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WIRELESS METHODS AND DEVICES EMPLOYING PLURAL-BIT DATA DERIVED FROM AUDIO INFORMATION

11/670,841 | U.S. Patent Application

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Location ELECTRONIC
Filed Feb. 2, 2007
Examiner PHIRIN SAM
Class 370
Art Group 2476
Patent No. 7,715,446
Case Type Utility - 370/522000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/924,281 Patented
Parent 09/339,314 Patented
Parent 09/172,324 Patented
Parent 08/637,531 Patented
Child 11/941,268 Patented
Child PCT/US07/84933 Published
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Last Updated: 2 years, 6 months ago
Date # Transaction