TREA

Hans J. Betsch

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  • Kamen, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Piston with piston ring
    • Patent number 6,450,084
    • Issue date Sep 17, 2002
    • Krupp Bilstein GmbH
    • Hans-Joachim Betsch
    • F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
  • Information Patent Grant

    Controllable vibration damper for motor vehicles
    • Patent number 5,375,683
    • Issue date Dec 27, 1994
    • August Bilstein GmbH & Co. KG
    • Zhen Huang
    • B60 - VEHICLES IN GENERAL