TREA

Manfred Rohrbach

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  • Hebertshausen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Series for progressive spectacle lenses
    • Patent number 5,880,810
    • Issue date Mar 9, 1999
    • Optische Werke G. Rodenstock
    • Helmut Altheimer
    • G02 - OPTICS
  • Information Patent Grant

    Series of lenses
    • Patent number 5,854,669
    • Issue date Dec 29, 1998
    • Optische Werke G. Rodenstock
    • Helmut Altheimer
    • G02 - OPTICS