TREA

William W. Tao

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  • Downers Grove, IL, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Weak acid based concrete stain
    • Patent number 8,460,399
    • Issue date Jun 11, 2013
    • Valspar Corporation
    • Sanford Lee Hertz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Concrete coloring compositions and methods
    • Patent number 8,092,555
    • Issue date Jan 10, 2012
    • Valspar Corporation
    • Sanford Lee Hertz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    CONCRETE COLORING COMPOSITIONS AND METHODS
    • Publication number 20120247372
    • Publication date Oct 4, 2012
    • Sanford Lee Hertz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Concrete coloring compositions and methods
    • Publication number 20090139435
    • Publication date Jun 4, 2009
    • Sanford Lee Hertz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Weak Acid Based Concrete Stain
    • Publication number 20080276387
    • Publication date Nov 13, 2008
    • Sanford Lee Hertz
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES