TREA

Leo L. Roberts

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  • Moore, OK, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Impeller for a magnetically coupled pump
    • Patent number 4,135,863
    • Issue date Jan 23, 1979
    • Little Giant Corporation
    • Lee W. Davis
    • F04 - POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS PUMPS FOR LIQUIDS OR ELASTIC...
  • Information Patent Grant

    Pump
    • Patent number D244750
    • Issue date Jun 21, 1977
    • Little Giant Corporation
    • Leo L. Roberts
    • D15 - Machines not elsewhere specified