Patents by Inventor Troy D. Rackard

Troy D. Rackard 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: 4060950
    Abstract: Intersecting hollow flat strips are adjoined by a concealed semi-rigid thin clip, having the configuration of a wide plus sign. The flat strips have half thickness cutouts to permit interlocking engagement of two intersecting strips, with the thin clip inserted within the cutouts. The thin clips have dimensions and configurations which permit assembly or disassembly with slight force but prevent unintentional disassembly.
    Type: Grant
    Filed: December 8, 1976
    Date of Patent: December 6, 1977
    Assignee: National Gypsum Company
    Inventors: Troy D. Rackard, Grover E. Snider
  • Patent number: 4027431
    Abstract: A two lite single hung window with a top fixed lite having a structure permitting affixation within the window frame involving only two screws, providing a window frame opening free of any middle rail when both lites are removed from the frame.
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: June 7, 1977
    Assignee: National Gypsum Company
    Inventor: Troy D. Rackard