TREA

William E. Grubba

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  • Red Lion, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Polymer enhanced asphalt emulsion
    • Patent number 5,795,929
    • Issue date Aug 18, 1998
    • Koch Enterprises, Inc.
    • William E. Grubba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
  • Information Patent Grant

    Polymer enhanced asphalt
    • Patent number 5,773,496
    • Issue date Jun 30, 1998
    • Koch Industries, Inc.
    • William E. Grubba
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...