TZ

Tang Zhonghui

SC Shenzhen Grandsun Electronic Co.: 2 patents #32 of 75Top 45%
Overall (All Time): #1,897,042 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D873248 Pair of earphones Zhong Weicheng, Wu Haiquan, Peng Jiugao, Shi Ruiwen 2020-01-21
D871367 Headphone Zhang Zhijun, Wu Haiquan, Peng Jiugao, Shi Ruiwen 2019-12-31