Annular headphone | Patent Application Number 15867296

15867296
Not Appealed
Patent NumberUS 10419840 B2
Publication NumberUS 20190215592 A1
Filled DateJan 10, 2018
Priority DateJan 10, 2018
Inventor/ApplicantsHO-LUNG LU
YI-SHUN CHEN
Yi-Shun Chen
Ho-Lung Lu
ExaminesOJO, OYESOLA C
Art Unit2655
Technology Center2600
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