TREA

Frank Fey

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  • Schwabisch Gmund, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Multi-layer headbox with plastic and metal divider plate
    • Patent number 5,849,159
    • Issue date Dec 15, 1998
    • Voith Sulzer Papiermaschinen GmbH
    • Helmut Heinzmann
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Multilayer headbox
    • Patent number 5,645,689
    • Issue date Jul 8, 1997
    • Voith Sulzer Papiermachinen GmbH
    • Wolfgang Ruf
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE

Patents Applicationslast 30 patents