Patents by Inventor Osvald Birkeland

Osvald Birkeland 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: 5119610
    Abstract: The wall paneling system is constructed of a plurality of vertically disposed wall panels and vertical posts to which the panels are interconnected via a mortise and tenon connection. At least some of the panels are provided with vertical and horizontal rows of holes for receiving support hooks of pieces of furniture which are to be supported on the wall panels. In one embodiment, pairs of wall panels are connected between vertical posts with horizontal cross pieces disposed between the wall panels and extending from post to post. The cross pieces are secured to the post by tensioning elements. In another embodiment, a single wall panel is disposed between two posts with angle members being used to secure the panels to the respective posts.
    Type: Grant
    Filed: February 8, 1991
    Date of Patent: June 9, 1992
    Inventors: Kirsten Birkeland, Osvald Birkeland