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Frank B. Eisenhardt

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  • Lakeland, FL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Phosphate ore flotation
    • Patent number 4,059,509
    • Issue date Nov 22, 1977
    • Mobil Oil Corporation
    • Frank B. Eisenhardt
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...