Patents by Inventor George E. Karkoska

George E. Karkoska 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).

  • Football goal posts with message matrix
    Patent number: 4026554
    Abstract: A football goal post is provided wherein the U-shaped target portion consisting of the cross-bar and uprights is attached to one end of an elongated boom. The other end of the boom is pivotably connected to a ground anchored vertical support member so that the U-shaped target can be raised out of position when it is not needed. Also provided within the uprights is a photocell field for properly registering the passage of a football through the target. The goal post support member has mounted thereon a computer-programmed vertical reading message matrix including rows of lights to form desired messages.
    Type: Grant
    Filed: December 23, 1974
    Date of Patent: May 31, 1977
    Assignee: G.E.K. Enterprises, Inc.
    Inventor: George E. Karkoska