US Patent 11527517 Lighting-emitting device filament
Patent 11527517 was granted and assigned to Seoul Semiconductor on December, 2022 by the United States Patent and Trademark Office.
Is a
Current Assignee
Date Filed
May 2, 2022
Date of Patent
December 13, 2022
Patent Application Number
17734573
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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