CC

Chihming Chang

📍 Wang'an Town, TW: #231 of 480 inventorsTop 50%
Overall (All Time): #3,396,769 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7273444 Swim training apparatus — 2007-09-25