US Patent 11706554 Earphone with an acoustic rear chamber vent
Patent 11706554 was granted and assigned to GN Audio A/S on July, 2023 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
December 15, 2020
0
Date of Patent
July 18, 2023
0
Patent Applicant
Patent Application Number
17757172
0
Patent Citations Received
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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