JC

Jian Cheng

OE Otis Elevator: 1 patents #73 of 232Top 35%
Overall (2018): #372,660 of 503,207Top 75%
1
Patents 2018

Issued Patents 2018

Patent #TitleCo-InventorsDate
9994428 Brake for use in passenger conveyor system Du Dai, Alois Senger 2018-06-12