CK

Chin-Sung Ko

📍 Changhua City, TW: #4 of 70 inventorsTop 6%
Overall (2005): #25,885 of 245,428Top 15%
3
Patents 2005

Issued Patents 2005

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
D512215 Umbrella shaft having nine tubes 2005-12-06
6918399 Automatic umbrella 2005-07-19
D503035 Umbrella shaft having seven tubes 2005-03-22