Patents Assigned to Woodfold-Marco Mfg., Inc.
  • Secure type folding door
    Patent number: 4922987
    Abstract: An accordion type folding door assembly designed for mounting across the entrance to a space to be secured. The panels of the assembly are interconnected by supplemental hinges completely shielding the spaces from vandalism and forcible entry, while simultaneously rigidifying and stiffening the door structure.
    Type: Grant
    Filed: January 9, 1989
    Date of Patent: May 8, 1990
    Assignee: Woodfold-Marco Mfg., Inc.
    Inventors: John D. Marontate, Ralph D. Jones, Mark F. Lewis