GG

Guochen Gao

OE Otis Elevator: 1 patents #100 of 260Top 40%
Overall (2019): #455,328 of 560,194Top 85%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10288135 Brake for elevator and a replacement method of damper of the brake for elevator Yatao Li, YaFei Ren 2019-05-14