BB

Barry G. Blackaby

OE Otis Elevator: 1 patents #50 of 167Top 30%
Overall (2017): #482,517 of 506,227Top 100%
1
Patents 2017

Issued Patents 2017

Patent #TitleCo-InventorsDate
9708157 Controlling speed of an elevator using a speed reducing switch and governor Joseph L. Della Porta 2017-07-18