US Patent 11387788 Amplifier-embedded video surveillance IP speaker system
Is a
Date Filed
September 21, 2020
0
Date of Patent
July 12, 2022
0
Patent Application Number
17026459
0
Patent Citations
Patent Inventor Names
Young-Min Park
0
Hyoung-Woo Kim
0
Patent Jurisdiction
Patent Number
Patent Primary Examiner
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