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US Patent 11688380 Ear device with dynamic noise attenuation and generation

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Is a

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Patent Jurisdiction

United States Patent and Trademark Office

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Patent Number

Date of Patent

June 27, 2023

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Patent Application Number

172779810

Date Filed

September 20, 2019

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Patent Citations

US Patent 8306237 Head-mounting device to mask ambient sounds for sleeping

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US Patent 7466838 Electroacoustic devices with noise-reducing capability

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Patent Primary Examiner

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CPC Code

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An ear-and-eye mask (

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