Annular headphone | Patent Publication Number 20190215592
US 20190215592 A1Patent NumberUS 10419840 B2
Application Number15867296
Filled DateJan 10, 2018
Priority DateJan 10, 2018
Publication DateJul 11, 2019
Original AssigneeDexin Electronic Ltd.
Dexin Corporation
Dexin Corporation
Current AssigneeDexin Electronic Ltd.
Dexin Corporation
Dexin Corporation
Inventor/ApplicantsYI-SHUN CHEN
HO-LUNG LU
Ho-Lung Lu
Yi-Shun Chen
HO-LUNG LU
Ho-Lung Lu
Yi-Shun Chen
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