Inventor

NUGENT ELIZABETH E

US3 patents

Patents

3 patents

US9286794B2Mar 15, 2016

Pedestrian warning system

ELWHA LLC15 citations83

US9547975B2Jan 17, 2017

Systems and methods for monitoring use of rail on a footpath

ELWHA LLC3 citations72

US9997033B2Jun 12, 2018

Systems and methods for monitoring use of rail on a footpath

ELWHA LLC1 citations51