ZL

Zhiren Liu

OE Otis Elevator: 1 patents #94 of 284Top 35%
Overall (2022): #187,332 of 548,613Top 35%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11453571 Governor assembly for elevator system, elevator safety system and elevator system 2022-09-27