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Chun Yuan Chang

📍 New Taipei, TW: #29 of 408 inventorsTop 8%
Overall (2004): #16,616 of 270,089Top 7%
4
Patents 2004

Issued Patents 2004

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
D499144 Rotatable card holder — 2004-11-30
6776385 Adjustable book holder — 2004-08-17
6742223 Clamping device for storing bundled items — 2004-06-01
6736045 Manually operated corner cutter — 2004-05-18