YK

Yi-Yu Kuo

Overall (All Time): #1,609,827 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6555939 Structure for a high efficiency DC motor 2003-04-29
5145446 Retractable toy sword with video and sound effect 1992-09-08
4808143 Toy machine gun 1989-02-28