Christoph Liebetrau

5 Patents

• US125654032026

  Elevator System with Simplified Power Supply for Shaft Door Assemblies

  INVENTIO AG

  0 cites
• US122863292025

  Elevator Installation and Operating And/or Display Panel for an Elevator Installation

  INVENTIO AG

  0 cites
• US121393732024

  Elevator System

  INVENTIO AG

  0 cites
• US120912842024

  Elevator System

  INVENTIO AG

  0 cites
• US119703622024

  Fastening Apparatus for Fastening a Drive of an Elevator System

  INVENTIO AG

  0 cites