KM

Kam Hoi Ma

BI Bissell: 1 patents #15 of 48Top 35%
Overall (2020): #396,963 of 565,922Top 75%
1
Patents 2020

Issued Patents 2020

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10820769 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2020-11-03