MC

Minchao Chen

OE Otis Elevator: 1 patents #73 of 232Top 35%
Overall (2018): #306,645 of 503,207Top 65%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10040669 Asynchronous door knife of elevator integrated car door lock Xiaobo ZHANG, QingXi Cai, XiaoXiao Dong, Senyuan Qiao 2018-08-07