WY

Wai Yi Yeung

Overall (2022): #215,509 of 548,613Top 40%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11333606 Apparatus and method for visually inspecting gemstones Jiangquan Mai, Fangyi Shi 2022-05-17