Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
August 2, 2011
Patent Application Number
11491446
Date Filed
July 21, 2006
Patent Primary Examiner
Patent abstract
The present invention is directed to earphone apparatus having a first earphone and a second earphone. The apparatus also includes a distinguishing mechanism for distinguishing the first earphone from the second earphone by the touch of a user.
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