TREA

Stefen Gotzfried

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  • Kleinkitzighofen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Rock drill head
    • Patent number 6,845,827
    • Issue date Jan 25, 2005
    • Hilti Aktiengesellschaft
    • Martin Richter
    • E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

  • Information Patent Application

    Rock drill head
    • Publication number 20030116359
    • Publication date Jun 26, 2003
    • Martin Richter
    • E21 - EARTH DRILLING MINING