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Sannie L. S. Chan

📍 Tai Po, CN: #71 of 112 inventorsTop 65%
Overall (All Time): #3,658,340 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
D413149 Electronic learning aid housing Frederick L. T. Tsang 1999-08-24