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MULTI-COIL COUPLING SYSTEM FOR HEARING AID APPLICATIONS

10/356,290 | U.S. Patent Application

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Location ELECTRONIC
Filed Jan. 31, 2003
Examiner BRIAN ENSEY
Class 381
Art Group 2615
Patent No. 7,099,486
Case Type Utility - 381/315000
Status Patent Expired Due to NonPayment of Maintenance Fees Under 37 CFR 1.362
Parent 09/752,806 Patented
Parent 60/174,958 Expired
Parent 60/225,840 Expired
Child 10/877,570 Abandoned
Child 11/345,567 Patented
Child 10/816,119 Patented
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Last Updated: 4 years, 5 months ago
Date # Transaction