YC

Yi Chang Chuang

Overall (All Time): #2,215,599 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6412673 Necktie-setting clip 2002-07-02
5669645 Handheld grabbing assembly for grabbing waste 1997-09-23