KN

Kwok Sun Ng

📍 Yundonghai, CN: #2 of 22 inventorsTop 10%
Overall (All Time): #2,169,344 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D521231 Key holder — 2006-05-23
D504911 Dancing ball pen — 2005-05-10