LL

Le Lin

OE Otis Elevator: 1 patents #88 of 253Top 35%
Overall (2021): #362,857 of 548,734Top 70%
1
Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10899582 Electric motor and an elevator system Dong Chen 2021-01-26