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John Kauffman

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  • Canon City, CO, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Separation of metals from sand
    • Patent number 7,845,498
    • Issue date Dec 7, 2010
    • John Kauffman
    • B03 - SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES O...
  • Information Patent Grant

    Transportation system
    • Patent number 6,363,857
    • Issue date Apr 2, 2002
    • John Kauffman
    • B60 - VEHICLES IN GENERAL

Patents Applicationslast 30 patents