FW

Fred G. Williams

OE Otis Elevator: 1 patents #100 of 260Top 40%
Overall (2019): #465,801 of 560,194Top 85%
1
Patents 2019

Issued Patents 2019

Patent #TitleCo-InventorsDate
10244374 Service tool proximity detection David Ginsberg, Mark Olthuis, Jody Phouthavong 2019-03-26