Patents Assigned to Ado, Inc.
  • Insulated attic access cover
    Patent number: 6601352
    Abstract: An insulated attic access cover which is easily installed from below the attic access opening and includes a flat panel with a central insulation portion, flanges which carry a seal and attachment points to secure the cover to the ceiling.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: August 5, 2003
    Assignee: Ado, Inc.
    Inventors: Keith G. Obermeyer, James S. Andrews, David Wayne Koch, John R. Twardy, Mark H. Theno
  • Rafter air infiltration block
    Patent number: 6357185
    Abstract: A rafter air infiltration block for use in house construction to prevent loss of blown-in insulation and to prevent air infiltration between the outside and the trusses. A generally rectangular piece of stiff, waterproof material has a plurality of fold lines to allow the block to be readily placed where desired in a variety of different settings and to conform to a roof vent.
    Type: Grant
    Filed: November 22, 2000
    Date of Patent: March 19, 2002
    Assignee: Ado, Inc.
    Inventors: Keith G. Obermeyer, James S. Andrews, David Wayne Koch, John R. Twardy, Mark H. Theno