CS

Cheong Tong Benjamin Shum

📍 Sha Tin, CN: #1,175 of 2,424 inventorsTop 50%
Overall (All Time): #2,851,792 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10258918 Apparatus to purify fresh air using biodegradable filter Vesa Tapani Maekipaeae 2019-04-16