US Patent 11557271 Degenerative sound isolation device
Is a
Date Filed
November 11, 2019
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Date of Patent
January 17, 2023
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Patent Application Number
16680089
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Patent Citations Received
Patent Inventor Names
Yuji Shintaku
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Debasish Banerjee
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Katsuhiko Nakajima
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Xiaoshi Su
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
CPC Code
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