SL

Shu-Wa Leung

HL Hop Lee Cheong Industrial Company Limited: 2 patents #2 of 2Top 100%
Overall (All Time): #2,215,576 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6412362 Toy gearing system 2002-07-02
D442250 Cog spinning toy 2001-05-15