Patents by Inventor Fredrick L. McCullough

Fredrick L. McCullough has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 5123876
    Abstract: An energy saving cover for use in a building having an opening in a ceiling with an attic fan thereabove, the building having a voltage source, the cover including a horizontal frame attachable to the ceiling below the attic fan opening, a cover panel slidable within the frame between a closed position in which the attic fan is fully covered to substantially reduce the passage of air therethrough and an open position in which the attic fan opening is fully opened, and a switch supported to the frame having an "on" and "off" condition and positioned such that the switch is actuated to the "on" position when the cover is in the fully opened position, the switch being in series with the attic fan motor so that the attic fan motor can be energized only when the cover is in the fully opened position.
    Type: Grant
    Filed: October 30, 1990
    Date of Patent: June 23, 1992
    Inventor: Fredrick L. McCullough
  • Patent number: 4989385
    Abstract: A device for repairing a hole in a plasterboard wall formed of a flat relatively thin, stiff coverboard, an insulation board secured by adhesive to the coverboard rear surface, the insulation board being dimensioned less than the coverboard leaving a clear space around the peripheral of the coverboard rear surface, the insulation board being dimensioned to be received in the hole to be repaired, and screws or adhesive for securing the coverboard rear surface peripheral clear space to the wall to thereby retain the insulation board in the hole with the coverboard completely covering the hole.
    Type: Grant
    Filed: December 27, 1989
    Date of Patent: February 5, 1991
    Inventor: Fredrick L. McCullough