Inventor

KIM JEONG RAK

KR2 patents

Patents

2 patents

US7357241B2Apr 15, 2008

Device for restraining the rise of a step roller of a people conveyor

OTIS ELEVATOR CO4 citations59

US7401692B2Jul 22, 2008

Device for restraining the rise of a step roller of an escalator

OTIS ELEVATOR CO1 citations42