HS

Hwa San Sim

📍 Singapore, SG: #372 of 1,548 inventorsTop 25%
Overall (2017): #396,113 of 506,227Top 80%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9568434 Gemstone tester and a method of characterising a gemstone Joanne Yeo 2017-02-14