CY

Chan K. Yan

WL W. Haking Enterprises Limited: 3 patents #6 of 17Top 40%
📍 Sha Tin, CN: #514 of 2,424 inventorsTop 25%
Overall (All Time): #1,681,759 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4451130 Disc camera with handle grip cover 1984-05-29
4217042 Camera for different speed films 1980-08-12
4213687 Film advancing mechanism Russell E. Hattis 1980-07-22