XC

Xiaoyuan Chang

OE Otis Elevator: 1 patents #50 of 167Top 30%
Overall (2017): #195,328 of 506,227Top 40%
1
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9701517 Methods and apparatuses for applying a substrate onto an elevator sheave David R. Torlai, Peter Keyo, Lance L. Lavender, Hong Yang 2017-07-11