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Ann-Cathrin Hedlund

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  • Sandviken, SE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rock drill product and method
    • Patent number 6,978,852
    • Issue date Dec 27, 2005
    • Sandvik AB
    • Ann-Cathrin Hedlund
    • C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

  • Information Patent Application

    Rock drill product and method
    • Publication number 20030230433
    • Publication date Dec 18, 2003
    • SANDVIK AB
    • Ann-Cathrin Hedlund
    • C21 - METALLURGY OF IRON