MC

Ming Chen

OE Otis Elevator: 1 patents #94 of 284Top 35%
Overall (2022): #334,371 of 548,613Top 65%
1
Patents 2022

Issued Patents 2022

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11396442 Low cost roped jump lift concept Jianfeng Wu, Shan Li, Hong Chen 2022-07-26