TREA

Robert Wieser

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  • Viersen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston ring
    • Patent number 6,186,512
    • Issue date Feb 13, 2001
    • Mannesmann Sachs AG
    • Norbert Deppert
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Shock absorbers and vibration dampers; and shock absorbers and vibr...
    • Patent number 5,655,634
    • Issue date Aug 12, 1997
    • Fichtel & Sachs AG
    • Manfred Grundei
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...