Chang Mi

BC Beijing Roborock Technology Co.: 1 patents #1 of 5Top 20%

Overall (2022): #496,655 of 548,613Top 95%

Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D944479	Brush	Chuanlin Duan	2022-02-22