PF

Pinchieh Feng

RU Razor Usa: 2 patents #14 of 36Top 40%
📍 Xinwu District, TW: #3 of 5 inventorsTop 60%
Overall (All Time): #2,196,752 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6827673 Collapsible pogo stick Robert Chen, Robert Hadley 2004-12-07
6619634 Self-chargeable pneumatic cylinder Robert Chen 2003-09-16