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Michael Deruginsky

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Patents Grantslast 30 patents

  • Information Patent Grant

    3D roller key
    • Patent number 6,555,768
    • Issue date Apr 29, 2003
    • Soniontech A/S
    • Michael Deruginsky
    • H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

  • Information Patent Application

    3D roller key
    • Publication number 20010019012
    • Publication date Sep 6, 2001
    • Michael Deruginsky
    • H01 - BASIC ELECTRIC ELEMENTS