KC

Kun Yueh Chen

Overall (All Time): #1,255,313 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
7232357 Structure of hula-hoop — 2007-06-19
6422915 Dynamic collapsible revolving toy — 2002-07-23
6312308 Motion display toy — 2001-11-06
6247991 Dynamic collapsible rotating toy — 2001-06-19