Inventor
DARLING CHARLES
US4 patents
Patents
4 patentsUS6685004B2Feb 3, 2004
Escalator drive machine
OTIS ELEVATOR CO21 citations90
US6450317B1Sep 17, 2002
Escalator drive machine
OTIS ELEVATOR CO25 citations90
US6997302B2Feb 14, 2006
Escalator drive mechanism with failure detection and backup
OTIS ELEVATOR CO16 citations86
USD475831SJun 10, 2003
Escalator handrail entry
OTIS ELEVATOR CO2 citations60