YS

Yunzhu Shen

OE Otis Elevator: 1 patents #73 of 232Top 35%
Overall (2018): #176,965 of 503,207Top 40%
1
Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10150648 Tie-down device for compensation sheave, compensation sheave and elevator 2018-12-11