TREA

David Charles Tyrer

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  • Johannesburg, ZA
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Patents Grantslast 30 patents

  • Information Patent Grant

    Tubular rock anchor
    • Patent number 9,200,514
    • Issue date Dec 1, 2015
    • Giddicca (Pty) Ltd
    • Martin Cawood
    • E21 - EARTH DRILLING MINING
  • Information Patent Grant

    Adhesive containing tubular rock anchor
    • Patent number 8,985,910
    • Issue date Mar 24, 2015
    • Giddicca (Pty) Ltd
    • Martin Cawood
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    TUBULAR ROCK ANCHOR
    • Publication number 20150192015
    • Publication date Jul 9, 2015
    • GIDDICCA (PTY) LTD
    • Martin Cawood
    • E21 - EARTH DRILLING MINING
  • Information Patent Application

    ADHESIVE CONTAINING TUBULAR ROCK ANCHOR
    • Publication number 20130004246
    • Publication date Jan 3, 2013
    • GIDDICCA (PTY) LTD
    • Martin Cawood
    • E21 - EARTH DRILLING MINING