BL

Beijun Liu

ZI Zhongtian Dingsheng (Shenzhen) Industry: 3 patents #1 of 2Top 50%
Overall (All Time): #1,378,803 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D1050074 Earphone 2024-11-05
D953290 Earphone 2022-05-31
D946551 Earphone 2022-03-22