ZL

Zoey Liu

Overall (2018): #84,612 of 503,207Top 20%
2
Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D822636 Active noise cancelling wireless earphone 2018-07-10
9941860 Filter circuit for noise cancellation earphones 2018-04-10