CT

Cheng-Chung Tsai

Overall (All Time): #1,601,862 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6740011 Device for exercising foot muscle Cheng-Li Tsai 2004-05-25
6676580 Exercise device Cheng-Li Tsai 2004-01-13
5743448 Raincoat concealing backpack 1998-04-28