JC

Jen-Jen Cheng

Overall (All Time): #1,987,266 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9722377 Pluggable power supply device 2017-08-01
6988903 Extractable conversion plug with a safety protection means 2006-01-24