System with wireless earphones | Patent Number 09729959
US 09729959 B2Filled DateOct 14, 2016
Priority DateApr 7, 2008
Publication DateFeb 2, 2017
Expiration DateApr 6, 2028
Inventor/ApplicantsMichael J. Koss
Michael J. Pelland
Michael J. Pelland
ExaminesDOAN, KIET M
Art Unit2641
Technology Center2600
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