Inventor

MÜLLER RUDOLF J

CH3 patents

Patents

3 patents

US9926170B2Mar 27, 2018

Movement-monitoring system of an elevator installation

INVENTIO AG7 citations81

US10364127B2Jul 30, 2019

Elevator installation safety system and method of checking same

INVENTIO AG4 citations69

US9546077B2Jan 17, 2017

Elevator door with a door contact switch

INVENTIO AG0 citations48