Patents by Inventor Graydon S. Carlson

Graydon S. Carlson 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: 4375850
    Abstract: A system is disclosed for retail display of a cassette in a box and for storage of a cassette at home or in an automobile using a flat plastic holder having a window and four protrusions into the window. These protrusions fit into holes in the box. A pair of protrusions on one side, which are longer than on the other side, are inserted into matching holes in the box. As the other side is then moved into the window, the other (shorter) pair of protrusions snap into the remaining holes in the box. The holder has an extension at one end with a hole for receiving a rod of a display rack. For storage, the holder slides into slots on the inside of a case. The extension then seves as a tab for lifting the holder out of the case.
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: March 8, 1983
    Assignee: Certron Corporation
    Inventors: William A. Smyth, Graydon S. Carlson, Harold J. Wilde
  • Patent number: D275370
    Type: Grant
    Filed: February 5, 1982
    Date of Patent: September 4, 1984
    Assignee: Certron Corporation
    Inventors: William A. Smyth, Graydon S. Carlson, Harold J. Wilde