Annular headphone | Patent Publication Number 20190215592

US 20190215592 A1

Patent NumberUS 10419840 B2

Application Number15867296

Filled DateJan 10, 2018

Priority DateJan 10, 2018

Publication DateJul 11, 2019

Original AssigneeDexin Corporation
Dexin Electronic Ltd.

Current AssigneeDexin Electronic Ltd.
Dexin Corporation

Inventor/ApplicantsHO-LUNG LU
YI-SHUN CHEN
Yi-Shun Chen
Ho-Lung Lu

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