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Chris Calvin

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  • Bradford, CA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Lightweight concrete formulations
    • Patent number 10,550,036
    • Issue date Feb 4, 2020
    • 2581776 Ontario Inc.
    • Chris Calvin
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Grant

    Lightweight concrete formulations
    • Patent number 10,087,105
    • Issue date Oct 2, 2018
    • 2581776 Ontario Inc.
    • Chris Calvin
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES

Patents Applicationslast 30 patents

  • Information Patent Application

    LIGHTWEIGHT CONCRETE FORMULATIONS
    • Publication number 20190031562
    • Publication date Jan 31, 2019
    • 2581776 Ontario Inc.
    • Chris Calvin
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    LIGHTWEIGHT CONCRETE FORMULATIONS
    • Publication number 20180093920
    • Publication date Apr 5, 2018
    • Chris Calvin
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES