BL

Beijun Liu

ZI Zhongtian Dingsheng (Shenzhen) Industry: 2 patents #1 of 1Top 100%
Overall (2022): #175,596 of 548,613Top 35%
2
Patents 2022

Issued Patents 2022

Showing 1–2 of 2 patents

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