BY

Byeongsam Yoo

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #4,135,944 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10407278 Safety device for elevators Lifeng Zhang, James M. Draper, Min Wang 2019-09-10