TREA

Peter Sternberger

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  • Augsburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Cup-shaped rock drill head
    • Patent number 7,059,432
    • Issue date Jun 13, 2006
    • Hilti Aktiengesellschaft
    • Udo Hauptmann
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Cup-shaped rock drill head
    • Publication number 20040079554
    • Publication date Apr 29, 2004
    • Udo Hauptmann
    • E21 - EARTH DRILLING MINING