WL

Wai Chiu Lam

CL Chow Sang Sang Jewellery Company Limited: 1 patents #5 of 7Top 75%
Overall (All Time): #2,470,407 of 4,157,543Top 60%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11874231 System and method for gemstone identification Shuk Kwan Mak, Tat Ming Ng, Kwok Bun Cheng 2024-01-16