US Patent 11521589 Sound absorption structure
Patent 11521589 was granted and assigned to Yamaha Corporation on December, 2022 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 4, 2019
0
Date of Patent
December 6, 2022
0
Patent Applicant
Patent Application Number
16672587
0
Patent Citations
Patent Inventor Names
Kiyoyuki Tomimatsu
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
CPC Code
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