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Gerhard Grau

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  • Albershausen, DT
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process and apparatus for reattachment of a thread in an open-end s...
    • Patent number 4,041,685
    • Issue date Aug 16, 1977
    • Zinser Textilmaschinen GmbH
    • Gerhard Grau
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Open-end spinning device
    • Patent number 4,008,561
    • Issue date Feb 22, 1977
    • Zinser Textilmaschinen GmbH
    • Gerhard Grau
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Open end spinning machine
    • Patent number 3,990,224
    • Issue date Nov 9, 1976
    • Zinser Textilmaschinen GmbH
    • Gerhard Grau
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING