Patents by Inventor James J. Egender

James J. Egender 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).

  • Digital number indicator
    Patent number: 4837957
    Abstract: A numerical display especially for use as a down marker in football games. The numbers which are displayed are painted on sets of slats which slide up and down by operation of finger levers connected to the slats by a special linkage. The slats slide behind other slats in a concealed position and are visible in an exposed position through transparent windows of a padded housing which encloses the operating components. A frictional detent retains the levers in place to prevent inadvertent slipping of the number which is displayed.
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: June 13, 1989
    Assignee: Dial-A-Down, Inc.
    Inventor: James J. Egender
  • Down marker
    Patent number: D308236
    Type: Grant
    Filed: July 24, 1987
    Date of Patent: May 29, 1990
    Inventor: James J. Egender