Patents by Inventor Ronald H. Krubsack

Ronald H. Krubsack 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: 4424555
    Abstract: A concealable lighting fixture wherein the longer, vertically extending leg of a support frame is mounted in a vertically extending bearing in a bracket so that the frame is vertically shiftable in and rotatable with respect to the bracket. A diametrically extending support pin is mounted in the lower end of the longer leg for engaging a support surface on the upper end of the bracket. When engaged with the support surface, the support pin releasably retains the frame, and a lamp assembly on the upper end of the support frame, in an elevated operative position. In one embodiment, the bearing for the longer leg of the frame is provided by concave recesses in the inner faces of a pair of vertically extending flanges on one side of the plate portion of the bracket. In another embodiment, the bearing is provided by a tube welded to the plate portion.
    Type: Grant
    Filed: February 22, 1982
    Date of Patent: January 3, 1984
    Assignee: Hartland Products Company, Inc.
    Inventors: Ronald H. Krubsack, Jerome C. Caruso, Larry J. Krubsack