David M. Matweecha

Person

  • Bethlehem, PA, US

Patents Grantslast 30 patents

  • Information Patent Grant

    Lime sludge treatment process

    • Patent number 5,413,635
    • Issue date May 9, 1995
    • Fuller Company
    • David M. Matweecha
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES