TREA

Robert Lee Rackley

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  • Newark, DE, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Process of making extruded brush monofilaments
    • Patent number 6,391,240
    • Issue date May 21, 2002
    • E. I. Du Pont de Nemours and Company
    • Robert Lee Rackley
    • A46 - BRUSHWARE
  • Information Patent Grant

    Natural bristle replacement for cosmetic and other brushes
    • Patent number 5,976,692
    • Issue date Nov 2, 1999
    • E. I. Du Pont de Nemours and Company
    • Russel A. Brezler
    • A46 - BRUSHWARE
  • Information Patent Grant

    Moisture stable tuftstring carpet
    • Patent number 5,939,166
    • Issue date Aug 17, 1999
    • E. I. Du Pont de Nemours and Company
    • Lap-Tak Andrew Cheng
    • B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
  • Information Patent Grant

    Monofilaments with split ends
    • Patent number 5,933,906
    • Issue date Aug 10, 1999
    • E. I. Du Pont de Nemours and Company
    • Robert Lee Rackley
    • A46 - BRUSHWARE
  • Information Patent Grant

    Coextruded monofilaments
    • Patent number 5,849,410
    • Issue date Dec 15, 1998
    • E. I. Du Pont de Nemours and Company
    • Charles Fletcher Nelson
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Coextruded monofilaments
    • Patent number 5,770,307
    • Issue date Jun 23, 1998
    • E. I. Du Pont de Nemours and Company
    • Robert Lee Rackley
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Flaggable synthetic tapered paintbrush bristles
    • Patent number 5,128,208
    • Issue date Jul 7, 1992
    • E. I. Du Pont de Nemours and Company
    • William B. Bond
    • A46 - BRUSHWARE
  • Information Patent Grant

    Process for surface treating thermoplastic monofilaments
    • Patent number 5,082,610
    • Issue date Jan 21, 1992
    • E. I. Du Pont de Nemours and Company
    • Robert B. Fish
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Process for flame treating
    • Patent number 4,921,668
    • Issue date May 1, 1990
    • E. I. Du Pont de Nemours and Company
    • Robert K. Anderson
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Orthodontic ligature
    • Patent number 4,867,679
    • Issue date Sep 19, 1989
    • E. I. Du Pont de Nemours and Company
    • Robert L. Rackley
    • A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
  • Information Patent Grant

    Coextruded monofilament fishline
    • Patent number 4,584,240
    • Issue date Apr 22, 1986
    • E. I. Du Pont de Nemours and Company
    • Paul F. Herbert
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Oriented woven furniture support material
    • Patent number 4,469,739
    • Issue date Sep 4, 1984
    • E. I. Du Pont de Nemours and Company
    • James Gretzinger
    • D03 - WEAVING
  • Information Patent Grant

    Tri- or tetra-locular paint brush bristles
    • Patent number 4,279,053
    • Issue date Jul 21, 1981
    • E. I. Du Pont de Nemours and Company
    • Robert H. Payne
    • D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
  • Information Patent Grant

    Hollow monofilaments in paper-making belts
    • Patent number 4,251,588
    • Issue date Feb 17, 1981
    • E. I. Du Pont de Nemours and Company
    • Gerald B. Goetemann
    • D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
  • Information Patent Grant

    Process for curing heat-curable coating
    • Patent number 3,962,502
    • Issue date Jun 8, 1976
    • E. I. Du Pont de Nemours and Company
    • Robert Lee Rackley
    • B32 - LAYERED PRODUCTS