Patents by Inventor William G. Stafford

William G. Stafford 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: 4384017
    Abstract: A wallpaper preparation board made of low cost rigid sheet material such as cardboard, paperboard, or thin sheets of wood, metal, or plastic, etc., is formed from a plurality of substantially flat panels of the sheet material which are hingedly attached end-to-end to form an elongate board which can be folded in accordion style into a compact unit. A first elongate opening is provided at one end of the board, with the opening being adapted to receive a roll of wallpaper longitudinally therein. A second elongate opening or slit is provided adjacent to the first opening, whereby the paper from the roll of wallpaper is directed under the portion of the board positioned between the two elongate openings and upwardly through the second elongate opening to be pulled along the length of the board. A cutting guide extends across the board next to the second elongate opening to aid in cutting lengths of wallpaper which are withdrawn from the roll.
    Type: Grant
    Filed: July 14, 1981
    Date of Patent: May 17, 1983
    Inventor: William G. Stafford
  • Patent number: 4340161
    Abstract: A wallpaper preparation board made of low cost rigid sheet material such as cardboard, paperboard, thin wooden, metal, or plastic sheets, etc., is formed from a plurality of substantially flat panels of the sheet material which are hingedly attached end-to-end to form an elongate board which can be folded in accordion style into a compact unit. A pair of hooks 11 and 12 are provided at the top of the board, with the hooks being adapted to engage the top of a door or the edge of the top landing of a ladder, so that the board can hang downwardly from the door or the top of the ladder. A pair of ears project upwardly at opposite sides of the upper end of the board to receive the opposite ends of a rod which is inserted through a roll of wallpaper. A knife edge extends across the board near the roll of wallpaper to aid in cutting lengths of wallpaper which are withdrawn from the roll.
    Type: Grant
    Filed: December 8, 1980
    Date of Patent: July 20, 1982
    Inventor: William G. Stafford