YF

Yonggang Feng

Overall (2020): #104,597 of 565,922Top 20%
2
Patents 2020

Issued Patents 2020

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
D877874 Air purifier Zhen Liu, Jianjun Jiang 2020-03-10
D876599 Vertical air purifier Chinan He, Zhen Liu 2020-02-25