HC

Hejin Cai

GL Guangzhou Lanshidun Electronic Limited: 4 patents #1 of 1Top 100%
Overall (2019): #54,175 of 560,194Top 10%
4
Patents 2019

Issued Patents 2019

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D870710 Earphone 2019-12-24
D865722 Earphone 2019-11-05
D853995 Earphone 2019-07-16
D852171 Earphone 2019-06-25