YK

Yao-Tzong Kao

Overall (All Time): #2,238,650 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6135012 Pressure Cooker 2000-10-24
6070518 Pressure cooker 2000-06-06