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Thomas P. Campbell

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  • Coos Bay, OR, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Centrifugal jig pulsing system
    • Patent number 4,998,986
    • Issue date Mar 12, 1991
    • Trans Mar, Inc.
    • Thomas P. Campbell
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Centrifugal flotation apparatus
    • Patent number 4,874,357
    • Issue date Oct 17, 1989
    • Thomas P. Campbell
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...