DL

Douglas E. Logan

OE Otis Elevator: 1 patents #99 of 278Top 40%
Overall (2020): #487,445 of 565,922Top 90%
1
Patents 2020

Issued Patents 2020

Patent #TitleCo-InventorsDate
10850944 Elevator system suspension member termination Richard N. Fargo, Mark R. Gurvich, Richard J. Ericson, John P. Wesson, David Wayne Mckee +1 more 2020-12-01