GG

Guochen Gao

OE Otis Elevator: 1 patents #73 of 258Top 30%
Overall (2023): #434,536 of 537,848Top 85%
1
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11702321 Traction machine assembly and elevator Ruguang Liu, Fengkun Zhu 2023-07-18