TREA

John MacDougall

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  • Pittsburgh, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Conveying screw for furnace
    • Patent number 4,636,127
    • Issue date Jan 13, 1987
    • The International Metals Reclamation Co., Inc.
    • Francisco Olano
    • C21 - METALLURGY OF IRON
  • Information Patent Grant

    Furnacing
    • Patent number 4,622,905
    • Issue date Nov 18, 1986
    • International Metals Reclamation Co., Inc.
    • John MacDougall
    • C21 - METALLURGY OF IRON