TC

Tsai-Yuan Chang

📍 Danei, TW: #570 of 1,188 inventorsTop 50%
Overall (All Time): #3,645,137 of 4,157,543Top 90%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5885021 Document board for punching correct holes — 1999-03-23