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Changlin Guo

TC Tymphany Acoustic Technology (Huizhou) Co.: 1 patents #8 of 37Top 25%
Overall (All Time): #2,776,296 of 4,157,543Top 70%
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Patent #TitleCo-InventorsDate
10567882 Loudspeaker structure Richeng Yao 2020-02-18