CK

Chin-Yi Kuo

Overall (All Time): #1,033,374 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
7275744 Puzzle pen — 2007-10-02
6966717 Pen with changeful penholder — 2005-11-22
6739780 Pen with variable penholder styles — 2004-05-25
6623136 Pen with lighted scanner pen head and twist switch — 2003-09-23
D365027 Bathroom-clock — 1995-12-12