YT

Yen-Wen Tsai

Overall (All Time): #1,627,514 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6048238 Swimming aid device 2000-04-11
5545066 Swimming aid assembly 1996-08-13
5125860 Flipper assembly 1992-06-30