WC

Wen-Chung Chao

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,237,543 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6057668 Battery charging device for mobile phone — 2000-05-02
5301371 Safety vest to be used in a car — 1994-04-12