US Patent D963615 Earphone
Is a
Date Filed
April 9, 2021
Date of Patent
September 13, 2022
Patent Application Number
35512063
Patent Inventor Names
Keliang Xun
0
Bin Liu
0
Weiwei Chen
0
Yifan Huang
0
Ruijiang Wang
0
Qing Li
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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