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Lai-ying Yim

WL Welback Enterprises Limited: 1 patents #1 of 6Top 20%
Overall (All Time): #2,152,258 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D582414 Keyboard 2008-12-09
D422644 Electronic game apparatus 2000-04-11