DY

Donggui Yu

Overall (All Time): #3,031,369 of 4,157,543Top 75%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
9519845 Gravity-adaptive card separation mechanism and card distribution device with the mechanism Junhua Liu, Zeyan Guan, Qing Liao 2016-12-13