WC

Wen-Han Chang

📍 New Taipei, TW: #124 of 364 inventorsTop 35%
Overall (2005): #78,513 of 245,428Top 35%
1
Patents 2005

Issued Patents 2005

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6871812 Multi-stages retractable coiling cord device 2005-03-29