RY

RangLian Yuan

UN Unknown: 2 patents #12,644 of 83,584Top 20%
Overall (All Time): #3,455,637 of 4,157,543Top 85%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6928680 Dynamic baby cleaning and changing pad Li Cai 2005-08-16