DK

DuEon Kim

OE Otis Elevator: 1 patents #100 of 260Top 40%
Overall (2019): #481,041 of 560,194Top 90%
1
Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10183843 Monitoring of step rollers and maintenance mechanics of passenger conveyors Zhaoxia Hu, Jianguo Li, Alois Senger, Hui Fang, Zhen Jia +7 more 2019-01-22