TREA

Floyd I. Clelland

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  • Renfrew, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Adhesion of asphalt to aggregates
    • Patent number 5,312,483
    • Issue date May 17, 1994
    • Her Majesty the Queen in right of Canada as represented by the Minister of En...
    • Henry Sawatzky
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Softening agents for recycling asphalt pavement
    • Patent number 5,234,494
    • Issue date Aug 10, 1993
    • Her Majesty the Queen in right of Canada as represented by the Minister of En...
    • Henry Sawatzky
    • C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...