DL

Douglas E. Logan

OE Otis Elevator: 1 patents #73 of 258Top 30%
Overall (2023): #460,771 of 537,848Top 90%
1
Patents 2023

Issued Patents 2023

Patent #TitleCo-InventorsDate
11718505 Elevator system suspension member termination Richard N. Fargo, Mark R. Gurvich, Richard J. Ericson, John P. Wesson, David Wayne Mckee +1 more 2023-08-08