YL

Ye Li

OE Otis Elevator: 1 patents #100 of 260Top 40%
Overall (2019): #214,419 of 560,194Top 40%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10442661 Governor of elevator Zhengbao Shi, Zhihuan Man, Yong Zhao, Min Wang 2019-10-15