TREA

Horst Wittenstein

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  • Ennepetal, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Spark-machining apparatus
    • Patent number 4,245,144
    • Issue date Jan 13, 1981
    • Carl Dan. Peddinghaus, GmbH & Co. KG
    • Horst Wittenstein
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
  • Information Patent Grant

    Plural work-piece positioning apparatus
    • Patent number 4,158,761
    • Issue date Jun 19, 1979
    • Carl Dan. Peddinghaus KG
    • Horst Wittenstein
    • B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR