TN

Tat Ming Ng

CL Chow Sang Sang Jewellery Company Limited: 1 patents #5 of 7Top 75%
Overall (All Time): #2,470,408 of 4,157,543Top 60%
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Patent #TitleCo-InventorsDate
11874231 System and method for gemstone identification Shuk Kwan Mak, Wai Chiu Lam, Kwok Bun Cheng 2024-01-16