WC

Wei-Yin Chang

Overall (All Time): #1,509,595 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
9408411 Bacteriostatic mould-proof antiseptic paster — 2016-08-09
8691042 Eco anti-mold fresh-keeping chip — 2014-04-08
6106652 Method for making decal and the manufacture — 2000-08-22