TC

Tsao-Hui Chen

Overall (All Time): #2,224,203 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6202218 Hat device 2001-03-20
5839125 Hat with extensible visor 1998-11-24