WC

Walter Ka Wai Chu

Overall (2020): #109,474 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10735841 Dual-mode acoustic radiator speaker system 2020-08-04
10652639 Dual-mode acoustic radiator speaker system 2020-05-12