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US Patent 11290794 Sounding device

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
Date Filed
August 14, 2020
Date of Patent
March 29, 2022
Patent Application Number
16993261
Patent Citations
‌
US Patent 10165370 Loudspeaker
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US Patent 10277986 Miniature speaker includes a flexible circuit board located below a diaphragm
‌
US Patent 10362404 Speaker apparatus
‌
US Patent 10321224 Loudspeaker
‌
US Patent 10820106 Speaker module
‌
US Patent 10631080 Structure of microspeaker
‌
US Patent 10104476 Miniature loudspeaker
Patent Citations Received
‌
US Patent 11516588 Sound production device and portable terminal
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11290794
Patent Primary Examiner
‌
Ryan Robinson
CPC Code
‌
H04R 9/025
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H04R 2209/024
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H04R 2400/11

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