Patents Assigned to Ron Ardes
  • Patent number: 5014480
    Abstract: A hollow foamed plastic form for concrete has a pair of opposed parallel side walls with planar upper and lower faces, and a pair of opposed end members. Disposed on the upper and lower faces of the side walls are a series of elongated locking members, each composed of a pair of offset ribs having a trapezoidal shape.
    Type: Grant
    Filed: June 21, 1990
    Date of Patent: May 14, 1991
    Assignee: Ron Ardes
    Inventors: Theodore J. Guarriello, Henry J. Guarriello, Jr., Joseph A. Guarriello