CK

Chi Chiu Kwok

AM Amazon: 1 patents #10,608 of 19,158Top 60%
Overall (All Time): #3,135,524 of 4,157,543Top 80%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8891798 Headphones with asymmetric coupling Emmanuel Laffon de Mazieres, Adam Cybart, Nicholas Ryan Gilmour, Marc Rene Walliser 2014-11-18