Patents by Inventor Russell E. Mangrum

Russell E. Mangrum 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: 6068140
    Abstract: A display unit comprising a flame and a plurality of trays, which may be removably mounted thereon. The frame is constructed from a one-piece cardboard blank, and comprises a back panel, sides, a top and a bottom. The sides, top and bottom are foldable into a double-wall configuration for added strength and stability. The trays include anchors and anchoring tabs for securing the trays to the frame. The trays may be divided into a plurality of compartments and may include a single or multiple tiers.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: May 30, 2000
    Assignee: NK Lawn & Garden Co.
    Inventors: Russell E. Mangrum, J. Wayne Martin
  • Patent number: 5316156
    Abstract: A display rack having a foundation consisting of a back, top, bottom and sides and a core which can be folded to fit within the foundation creating multiple shelves within the rack. The core is assembled within the rack through the use of ears and slots without the need of screws, snaps, clamps, buttons, or the like to hold the assembled structure together. The shelves of the rack may be separated by a divider which also is assembled within the foundation through the inner connection of the ears provided on the divider fitting into slots cut and formed into the foundation. The sections of the rack which are created by the shelves and divider can be further sub-divided into compartments by the use of wings are formed in the core and are connected to the core by a pivot hinge which allows the wing to swing into the sections of the rack and form compartments.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: May 31, 1994
    Inventors: Marty W. Land, Russell E. Mangrum, Joseph W. Martin