Annular headphone | Patent Number 10419840

US 10419840 B2
Application Number15867296
Publication NumberUS 20190215592 A1
Pendency1 year, 8 months, 10 days
Filled DateJan 10, 2018
Priority DateJan 10, 2018
Publication DateJul 11, 2019
Expiration DateJan 9, 2038
Inventor/ApplicantsHO-LUNG LU
YI-SHUN CHEN
Yi-Shun Chen
Ho-Lung Lu
ExaminesOJO, OYESOLA C
Art Unit2655
Technology Center2600
Assignments
Dexin Electronic Ltd.
Current
Dexin Corporation
Current
Dexin Corporation
Original
Dexin Electronic Ltd.
Original
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