JL

JiYao Le

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
Overall (All Time): #4,134,506 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10399824 Passenger conveyor system and starting/stopping control method thereof LongWen Wang 2019-09-03