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Ralf Zitzmann

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Patents Grantslast 30 patents

  • Information Patent Grant

    Self-tapping screw
    • Patent number 8,485,769
    • Issue date Jul 16, 2013
    • Hilti Aktiengesellschaft
    • Falk Rosenkranz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

Patents Applicationslast 30 patents

  • Information Patent Application

    SELF-TAPPING SCREW
    • Publication number 20110027035
    • Publication date Feb 3, 2011
    • HILTI AKTIENGESELLSCHAFT
    • Falk Rosenkranz
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...