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Helmut Wiedmann

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  • Heilbronn, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    End piece for eyeglass temples
    • Patent number D314781
    • Issue date Feb 19, 1991
    • Eyemetrics-Systems AG
    • Helmut Wiedmann
    • D16 - Photography and optical equipment
  • Information Patent Grant

    End piece for eyeglass temples
    • Patent number D310228
    • Issue date Aug 28, 1990
    • Eyemetrics-Systems AG
    • Helmut Wiedmann
    • D16 - Photography and optical equipment
  • Information Patent Grant

    End piece for eyeglass temples
    • Patent number D310087
    • Issue date Aug 21, 1990
    • Eyemetrics-Systems AG
    • Helmut Wiedmann
    • D16 - Photography and optical equipment