Patents by Inventor Donald E. Mackie

Donald E. Mackie 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: 4676511
    Abstract: Apparatus for use in playing a game, comprises a ball and a target. The target has on its surface objective areas to be struck by the ball. The target is in the form of an upstanding post and the objective areas are of equal size and disposed on opposite faces of the target.The target includes indicator lights for denoting when an objective area has been struck by the ball. Each objective area is connected with a respective indicator light so that the objective area struck may be easily identified.The objective areas each have a pressure-sensitive actuator, which operates the corresponding indicator light.
    Type: Grant
    Filed: December 23, 1985
    Date of Patent: June 30, 1987
    Inventor: Donald E. Mackie