Patents Examined by Tonya McBride
  • Repair of insulating glass units
    Patent number: 6804924
    Abstract: A method for repairing an insulating glass unit and apparatus to facilitate such repair. A bore is drilled through a frame encasing an insulating glass unit to expose the peripheral spacer of the unit, and a hole is drilled through a wall of the spacer to enable air to enter the space between the panes. The hole in the spacer is then sealed, for example, with a rivet, and the bore in the frame is then filled and sealed as well.
    Type: Grant
    Filed: October 12, 2001
    Date of Patent: October 19, 2004
    Assignee: Cardinal IG Company
    Inventors: Benjamin J. Zurn, Bernie Herron, Robert G. Spindler