US Patent 10171905 Headphones with frequency-targeted resonance chambers
Is a
Date Filed
June 27, 2018
0
Date of Patent
January 1, 2019
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Patent Application Number
16020892
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Patent Citations Received
Patent Inventor Names
Tseng Feng Wen
0
Hsin Hao Wen
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Jing Luen Wen
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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