US Patent 11375301 Speaker box device and mobile terminal using same
Is a
Date Filed
August 13, 2020
0
Date of Patent
June 28, 2022
0
Patent Application Number
16992146
0
Patent Citations
Patent Citations Received
Patent Inventor Names
Jun Wu
0
Dijiang Tong
0
Zhichen Chen
0
Zhe Zhang
0
Zhaoyu Yin
0
Xingzhi Huang
0
Lin Liu
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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