US Patent D587248 Earphone
Patent D587248 was granted and assigned to Sony on February, 2009 by the United States Patent and Trademark Office.
Is a
Current Assignee
0
Date Filed
February 29, 2008
0
Date of Patent
February 24, 2009
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Patent Application Number
29300198
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Patent Citations Received
Patent Inventor Names
Keiko Densho
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
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