TREA

John W. Boyden II

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  • Webster, TX, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lime sludge kiln
    • Patent number 4,993,942
    • Issue date Feb 19, 1991
    • Champion International Corporation
    • John W. Boyden
    • F26 - DRYING
  • Information Patent Grant

    Lime sludge kiln
    • Patent number 4,952,147
    • Issue date Aug 28, 1990
    • Champion International Corporation
    • John W. Boyden
    • F26 - DRYING