TREA

Dale Hengel

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  • Minneapolis, MN, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lift system for an elevator
    • Patent number 8,316,786
    • Issue date Nov 27, 2012
    • Par Systems, Inc.
    • William R. Johanek
    • B66 - HOISTING LIFTING HAULING

Patents Applicationslast 30 patents

  • Information Patent Application

    LIFT SYSTEM FOR AN ELEVATOR
    • Publication number 20100212569
    • Publication date Aug 26, 2010
    • PaR Systems, Inc.
    • William R. Johanek
    • B66 - HOISTING LIFTING HAULING