TREA

Rolf Vollbrecht

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  • Obernburg, DE
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Patents Grantslast 30 patents

  • Information Patent Grant

    Composite matting with reinforcement
    • Patent number 4,851,277
    • Issue date Jul 25, 1989
    • Akzo nv
    • Brand C. Valkenburg
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Low density matting and process
    • Patent number RE31599
    • Issue date Jun 12, 1984
    • Akzona Incorporated
    • Alfred Rasen
    • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • Information Patent Grant

    Low density matting and process
    • Patent number 4,342,807
    • Issue date Aug 3, 1982
    • Akzona Incorporated
    • Alfred Rasen
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Low density matting and process
    • Patent number 4,252,590
    • Issue date Feb 24, 1981
    • Akzona Incorporated
    • Alfred Rasen
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Matting article with process and apparatus for its production
    • Patent number 4,212,692
    • Issue date Jul 15, 1980
    • Akzona Incorporated
    • Alfred Rasen
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Mat material of melt-spun polymeric filaments having discontinuous...
    • Patent number 4,212,915
    • Issue date Jul 15, 1980
    • Akzona Incorporated
    • Rolf Vollbrecht
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
  • Information Patent Grant

    Erosion control matting
    • Patent number 4,181,450
    • Issue date Jan 1, 1980
    • Akzona Incorporated
    • Alfred Rasen
    • E02 - HYDRAULIC ENGINEERING FOUNDATIONS SOIL SHIFTING
  • Information Patent Grant

    Matting article
    • Patent number 4,177,312
    • Issue date Dec 4, 1979
    • Akzona Inc.
    • Alfred Rasen
    • D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS