FH

FeiQun He

OE Otis Elevator: 1 patents #29 of 132Top 25%
Overall (2016): #403,752 of 481,213Top 85%
1
Patents 2016

Issued Patents 2016

Patent #TitleCo-InventorsDate
9487378 Machine roomless elevator TianMing Lin, Jianwei Zhang, Guohua Zhang 2016-11-08