WC

Wai Kei Cheung

CL Chow Sang Sang Jewellery Company Limited: 2 patents #2 of 7Top 30%
Overall (2024): #105,864 of 561,600Top 20%
2
Patents 2024

Issued Patents 2024

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12077839 Alloy with interference thin film and method for making the same Shuk Kwan Mak, Candice Wing Jong Tong 2024-09-03
12054819 Amorphous alloy Shuk Kwan Mak, Mei Tsz Macy WONG 2024-08-06