DL

Duan Liang

OE Otis Elevator: 1 patents #966 of 1,840Top 55%
📍 Farmington, CT: #222 of 372 inventorsTop 60%
🗺 Connecticut: #21,355 of 34,797 inventorsTop 65%
Overall (All Time): #2,750,380 of 4,157,543Top 70%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
11124386 Safety brake configuration for elevator application Richard N. Fargo, Tahany Ibrahim El-Wardany, James M. Draper, Xiaodong Luo, Joe J. Liou 2021-09-21