QY

Qing Yao

UN Unknown: 1 patents #394 of 3,590Top 15%
Overall (2019): #307,857 of 560,194Top 55%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10413390 Omnidirectional Scientific Toothbrush 2019-09-17