US Patent 11608943 Direction adjustable LED lamp used in a sign
Is a
Date Filed
October 25, 2021
0
Date of Patent
March 21, 2023
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Patent Application Number
17509086
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Patent Inventor Names
Xiaomin Yan
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Dulin Tao
0
Jun Liang
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Patent Jurisdiction
Patent Number
Patent Primary Examiner
CPC Code
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