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Ching-Chen Chen

📍 Wang'an Town, TW: #22 of 82 inventorsTop 30%
Overall (2002): #243,850 of 266,432Top 95%
1
Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6453503 Cleaning brush — 2002-09-24