CD

Chuanlin Duan

BC Beijing Rockrobo Technology Co.: 1 patents #4 of 14Top 30%
Overall (2021): #502,756 of 548,734Top 95%
1
Patents 2021

Issued Patents 2021

Patent #TitleCo-InventorsDate
D919210 Cleaning robot Chang Mi, Zhijun Li, Zitao Wang, Fan Yang, Xiaoming Liu +2 more 2021-05-11