Patents by Inventor Dennis A. Haack

Dennis A. Haack 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: 4396226
    Abstract: A structural component for upholstered furniture includes a three-dimensional frame consisting of a plurality of wires which are welded together. A flexible substrate sheet and an upholstery material cover are secured together with padding held between the substrate sheet and the cover. Clips either pierce the substrate sheet or are attached to the cover and engage the border frame wires such that the upholstery is fastened to the frame. Preferably, the clips comprise extruded plastic elongated strip members having flange portions which are stitched to the material cover and snap portions which snap-fit onto the border wires.
    Type: Grant
    Filed: November 5, 1980
    Date of Patent: August 2, 1983
    Assignee: Denack Design Corporation
    Inventor: Dennis A. Haack
  • Patent number: 4296964
    Abstract: A structural component for upholstered furniture includes a three-dimensional frame consisting of a plurality of wires which are welded together. A flexible sheet substrate and an upholstery material cover are secured together, with padding held between the substrate and the cover. Clips pierce the substrate and engage the frame such that the upholstery is fastened to the frame.
    Type: Grant
    Filed: September 14, 1979
    Date of Patent: October 27, 1981
    Assignee: Denack Design Corporation
    Inventor: Dennis A. Haack
  • Patent number: D316483
    Type: Grant
    Filed: September 19, 1988
    Date of Patent: April 30, 1991
    Assignee: Pro-Tex-Tor, Inc.
    Inventor: Dennis A. Haack