SH

Sanfeng Hu

SC Shenzhen Grandsun Electronic Co.: 1 patents #42 of 75Top 60%
Overall (All Time): #4,136,937 of 4,157,543Top 100%
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Patent #TitleCo-InventorsDate
D859356 Headphone Haiquan Wu, Kunyuan Gan, Xinlong Peng, Jiugao Peng, Ruiwen Shi 2019-09-10