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Joseph L. Mehaffey

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  • Lockport, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Calcium carbonate beneficiation
    • Patent number 4,995,965
    • Issue date Feb 26, 1991
    • Akzo America Inc.
    • Joseph L. Mehaffey
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Calcium carbonate beneficiation
    • Patent number 4,892,649
    • Issue date Jan 9, 1990
    • Akzo America Inc.
    • Joseph L. Mehaffey
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...