RD

Randall S. Dube

OE Otis Elevator: 4 patents #37 of 260Top 15%
Overall (2019): #45,974 of 560,194Top 9%
4
Patents 2019

Issued Patents 2019

Patent #TitleCo-InventorsDate
10472209 Elevator overspeed governor with automatic reset Aayush Desai 2019-11-12
10407275 Detection and control system for elevator operations Yehia F. Khalil, Richard N. Fargo, Randall Keith Roberts, Gary L Nuschler, Peter DePaola +5 more 2019-09-10
10329120 Elevator overspeed governor 2019-06-25
10214385 Elevator brake wedge Scott Alan Eastman, Brad Guilani, Chen Zhao 2019-02-26