CC

Ching-Tsun Chen

DC Der Sheng Co.: 3 patents #2 of 3Top 70%
📍 New Taipei, TW: #3,802 of 10,472 inventorsTop 40%
Overall (All Time): #1,539,771 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8418316 Friction wheel for cart 2013-04-16
8385040 Conductive wheel with static dissipation function 2013-02-26
8220110 Castor having a braking function 2012-07-17