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Chun Yuan Chang

📍 New Taipei, TW: #15 of 364 inventorsTop 5%
Overall (2005): #7,921 of 245,428Top 4%
5
Patents 2005

Issued Patents 2005

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6973809 Number lock device for computer — 2005-12-13
6959901 Rotatable book or file holder device — 2005-11-01
6918565 Adjustable book holder assembly — 2005-07-19
D504917 Holder for notepaper — 2005-05-10
D503430 Clip for pens — 2005-03-29