CL

Chi Yin Alan Leung

P( Polygroup Macau Limited (Bvi): 5 patents #2 of 20Top 10%
Overall (2020): #38,321 of 565,922Top 7%
5
Patents 2020

Issued Patents 2020

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
10842306 Multi-wire quick assemble tree Chang-Jun He, Chi Kin Samuel Kwok 2020-11-24
10777949 Powered tree construction Ricky Tong, Chi Kin Samuel Kwok, Chang-Jun He 2020-09-15
10728978 Variable multi-color LED light string and controller for an artificial tree Chi Kin Samuel Kwok 2020-07-28
10591143 Seasonal light string and method of assembling seasonal light strings employing capacitor shunts 2020-03-17
10533738 Systems and methods for water-resistant lamp holders Chi Kin Samuel Kwok, Changjun He 2020-01-14