US Patent D832811 Earpiece attachment portion of headphone device
Is a
Date Filed
March 10, 2017
0
Date of Patent
November 6, 2018
0
Patent Application Number
29596857
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Patent Inventor Names
Jonathan E. Levine
0
Drew S. Briggs
0
Marten Andersson
0
Thomas C. Wilson
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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