TREA

Patrick E. Sweeney

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  • Baltimore, MD, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cutting torch arrangement
    • Patent number 4,055,332
    • Issue date Oct 25, 1977
    • AAI Corporation
    • Patrick E. Sweeney
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Cutting torch arrangement
    • Patent number 4,050,680
    • Issue date Sep 27, 1977
    • AAI Corporation
    • Patrick E. Sweeney
    • E21 - EARTH DRILLING MINING