TREA

William M. Hibbard

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  • McCall, ID, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Gold and silver separator
    • Patent number 4,352,733
    • Issue date Oct 5, 1982
    • His Way
    • William M. Hibbard
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Gold concentrator
    • Patent number 4,319,985
    • Issue date Mar 16, 1982
    • His Way
    • William M. Hibbard
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...