William D. Letbetter

Person

  • Atlanta, GA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Porous warp sizing apparatus

    • Patent number 4,641,404
    • Issue date Feb 10, 1987
    • Scott O. Seydel
    • D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...