DL

Douglas B. LaBrecque

OE Otis Elevator: 1 patents #50 of 167Top 30%
Overall (2017): #437,227 of 506,227Top 90%
1
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9604823 Assembly for roping an elevator Valery Sheynkman, Richard S. Blakelock, Troy R. Chicoine, Craig A. Buckley, William J. Derwin 2017-03-28