TC

Tung-Hsien Chen

📍 Keelung, TW: #3 of 22 inventorsTop 15%
Overall (2002): #97,332 of 266,432Top 40%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6442847 Portable punching machine — 2002-09-03