CF

Chang Chun Feng

PU Phihong Usa: 2 patents #3 of 6Top 50%
Overall (All Time): #2,106,545 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7985083 Interface between connectable electrical devices Keith Hopwood 2011-07-26
7938653 Electrical plug device with folding blades Keith Hopwood 2011-05-10