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Justyna CZEKAJ

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  • Canning Vale, AU
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Patents Grantslast 30 patents

  • Information Patent Grant

    Friction bolt
    • Patent number 9,797,249
    • Issue date Oct 24, 2017
    • Sandvik Intellectual Property AB
    • Mieczyslaw Rataj
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    FRICTION BOLT
    • Publication number 20170107815
    • Publication date Apr 20, 2017
    • SANDVIK INTELECTUAL PROPERTY AB
    • Mieczyslaw RATAJ
    • E21 - EARTH DRILLING MINING