Membership
Tour
Register
Log in
Alex Wai Chi Chan
Follow
Person
Aberdeen, HK
People
Overview
Industries
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Toy with light pattern
Patent number
6,558,224
Issue date
May 6, 2003
BEA Development Ltd.
Alex Wai Chi Chan
A63 - SPORTS GAMES AMUSEMENTS