KM

Kam Hoi Ma

BI Bissell: 1 patents #25 of 57Top 45%
Overall (2022): #381,432 of 548,613Top 70%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11241134 Surface cleaning apparatus Jincheng Xia, Jianjun Ge, Zhenjiang Yin, Xin Chen, Yongsheng Liang 2022-02-08