CC

Cheng-Tse Chang

Overall (All Time): #1,965,449 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10099269 Drawing device Yu-Hung Lin 2018-10-16
8591211 Glass repairer Yu-Hung Lin 2013-11-26