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Willy Walker

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  • Buchrain, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Car door-shaft door coupling
    • Patent number 10,065,835
    • Issue date Sep 4, 2018
    • Inventio AG
    • Willy Walker
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Variable door coupling
    • Patent number 9,132,992
    • Issue date Sep 15, 2015
    • Inventio AG
    • Willy Walker
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents