TREA

Joseph J. Barna

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  • Trumbull, CT, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Remote rescue of trapped elevator passengers
    • Patent number 6,364,066
    • Issue date Apr 2, 2002
    • Otis Elevator Company
    • James Richard Bolch
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator rescue system
    • Patent number 6,269,910
    • Issue date Aug 7, 2001
    • Otis Elevator Company
    • Richard N. Fargo
    • B66 - HOISTING LIFTING HAULING
  • Information Patent Grant

    Elevator rescue system
    • Patent number 6,196,355
    • Issue date Mar 6, 2001
    • Otis Elevator Company
    • Richard N. Fargo
    • B66 - HOISTING LIFTING HAULING