TREA

John Thomas Liddy

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  • South Yorkshire, GB
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Patents Grantslast 30 patents

  • Information Patent Grant

    Block paving sand
    • Patent number 6,824,602
    • Issue date Nov 30, 2004
    • Paul Andrew Darby
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES

Patents Applicationslast 30 patents

  • Information Patent Application

    PAVING MATERIAL
    • Publication number 20140017006
    • Publication date Jan 16, 2014
    • John Thomas Liddy
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
  • Information Patent Application

    Block paving sand
    • Publication number 20050100402
    • Publication date May 12, 2005
    • Paul Andrew Darby
    • Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
  • Information Patent Application

    Block paving sand
    • Publication number 20030088009
    • Publication date May 8, 2003
    • Paul Andrew Darby
    • E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES