JL

Jianping Liu

📍 Beijing, CT: #14 of 22 inventorsTop 65%
Overall (2020): #420,100 of 565,922Top 75%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10724220 Water seal device for removing odour of toilet — 2020-07-28