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US Patent 11290825 Speaker unit for earphone

OverviewStructured DataIssuesContributorsActivity
Is a
Patent
Patent
Date Filed
February 1, 2021
Date of Patent
March 29, 2022
Patent Application Number
17163786
Patent Citations Received
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US Patent 11979727 Earphone module
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US Patent D974327 Headphone
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US Patent D991214 Headphone ear cushion attachment mechanism
0
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US Patent 11438698 Double-voice-coil double-magnetic-circuit high-frequency loudspeaker
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US Patent D1019600 Headphone
0
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US Patent 11974090 Headphone ear cushion attachment mechanism and methods for using
0
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US Patent 11533564 Headphone ear cushion attachment mechanism and methods for using
Patent Inventor Names
Jeong Kwon Park
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Jong Won Lee
0
Ju Heon Ko
0
Yun Uk Ha
0
Byung Il Min
0
Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
Patent Number
11290825
Patent Primary Examiner
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Angelica M McKinney

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