TREA

Rolf Widmer

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  • Dorflingen, CH
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Patents Grantslast 30 patents

  • Information Patent Grant

    Drawing roller unit with scavenging means
    • Patent number 5,324,905
    • Issue date Jun 28, 1994
    • Rieter Machine Works, Ltd.
    • Vittorino Arnosti
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
  • Information Patent Grant

    Drawroll unit
    • Patent number 5,159,166
    • Issue date Oct 27, 1992
    • Rieter Machine Works, Ltd.
    • Vittorino Arnosti
    • D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING