US Patent D925490 Guitar amplifier headphone
Patent D925490 was granted and assigned to Roland Corporation on July, 2021 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
November 25, 2019
Date of Patent
July 20, 2021
Patent Applicant
Patent Application Number
35509503
Patent Citations Received
Patent Inventor Names
Masato Ueno
0
Teruyoshi Kobayashi
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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