Douglas H. Ruddick

Person

  • Beaver Falls, PA, US

Patents Applicationslast 30 patents

  • Information Patent Application

    Bacteria and mold resistant wallboard

    • Publication number 20060054061
    • Publication date Mar 16, 2006
    • Douglas H. Ruddick
    • C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES