HC

Hsien-Chin Chang

📍 New Taipei, TW: #4,797 of 10,472 inventorsTop 50%
Overall (All Time): #2,113,970 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8051788 Driving device for thread hooking mechanism for sewing machine — 2011-11-08
7347152 Adjustable positioning device for head of sewing machine Jui-Yi Wu 2008-03-25