TREA

Amitabha Kumar

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  • Fremont, CA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Fly ash-based cementitious mixture
    • Patent number 9,023,149
    • Issue date May 5, 2015
    • Calstar Products, Inc.
    • Kyle Scott Douglas
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Fly ash-based cementitious mixture
    • Patent number 8,747,549
    • Issue date Jun 10, 2014
    • Calstar Products, Inc.
    • Kyle Scott Douglas
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Fly ash-based cementitious mixture
    • Patent number 8,617,438
    • Issue date Dec 31, 2013
    • Calstar Products, Inc.
    • Kyle Scott Douglas
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Fly ash-based cementitious mixture
    • Patent number 8,617,308
    • Issue date Dec 31, 2013
    • Calstar Products, Inc.
    • Kyle Scott Douglas
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES