Patents by Inventor Jeffery J. Jo

Jeffery J. Jo 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).

  • Gaming device display with simulated halftones
    Patent number: 6976915
    Abstract: A panel or reel strip of a gaming device that includes halftones. The panel or reel strip includes a medium and a photographically created multicolor image on one side of the medium. A silkscreen ink layer is provided on the other side of the medium. The ink defining at least one halftone producing hole array. The multicolor image and the hole array are both computer created and downloaded to a photo imager. The photo image of the hole array is used to create a screen that produces a wash layer of ink on the back of the colored image. The wash layer defines selectively made hole arrays that enable a desired amount of light to shine through the colored image, providing a glow effect.
    Type: Grant
    Filed: September 13, 2002
    Date of Patent: December 20, 2005
    Assignee: IGT
    Inventors: Curtis L. Baker, Michael D. Callahan, Jeffery J. Jo, Gene A. Spoor
  • Gaming device display with simulated halftones
    Publication number: 20040021705
    Abstract: A panel or reel strip of a gaming device that includes halftones. The panel or reel strip includes a medium and a photographically created multicolor image on one side of the medium. A silkscreen ink layer is provided on the other side of the medium. The ink defining at least one halftone producing hole array. The multicolor image and the hole array are both computer created and downloaded to a photo imager. The photo image of the hole array is used to create a screen that produces a wash layer of ink on the back of the colored image. The wash layer defines selectively made hole arrays that enable a desired amount of light to shine through the colored image, providing a glow effect.
    Type: Application
    Filed: September 13, 2002
    Publication date: February 5, 2004
    Inventors: Curtis L. Baker, Michael D. Callahan, Jeffery J. Jo, Gene A. Spoor