CK

Cheung W. Keung

📍 Sha Tin, CN: #514 of 2,424 inventorsTop 25%
Overall (All Time): #1,651,378 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D359526 Electronic educational toy 1995-06-20
5372511 Educational toys 1994-12-13
D336316 Toy motorcycle Chan-Sui Pang 1993-06-08