WS

Wai Ki Shum

📍 Tin Shui Wai, CN: #15 of 23 inventorsTop 70%
Overall (All Time): #3,462,797 of 4,157,543Top 85%
1
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Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6965543 Radio controllable clock Wan Sang Chan 2005-11-15