TREA

Ralph W. List

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  • East Lansdowne, PA, US
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Patents Grantslast 30 patents

  • Information Patent Grant

    Strand winding apparatus
    • Patent number 4,103,835
    • Issue date Aug 1, 1978
    • Techniservice Division, Textured Yarn Co., Inc.
    • Ralph W. List
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Strand winding
    • Patent number 4,008,859
    • Issue date Feb 22, 1977
    • Textured Yarn Co., Inc.
    • Ralph W. List
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Strand winding
    • Patent number 3,994,444
    • Issue date Nov 30, 1976
    • Textured Yarn Co., Inc.
    • Ralph W. List
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
  • Information Patent Grant

    Strand treatment apparatus and method
    • Patent number 3,952,933
    • Issue date Apr 27, 1976
    • Textured Yarn Co., Inc.
    • Ralph W. List
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Strand treatment
    • Patent number 3,949,453
    • Issue date Apr 13, 1976
    • Textured Yarn Co., Inc.
    • Ralph W. List
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Strand treatment apparatus
    • Patent number 3,936,918
    • Issue date Feb 10, 1976
    • Textured Yarn Co., Inc.
    • Ralph W. List
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
  • Information Patent Grant

    Strand winding
    • Patent number 3,936,006
    • Issue date Feb 3, 1976
    • Textured Yarn Co., Inc.
    • Ralph W. List
    • B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL