Patents by Inventor Kenneth A. Bredlau

Kenneth A. Bredlau 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: 4170354
    Abstract: An amusement device comprising a maze card of laminated plastic construction having defined on the opposite faces thereof a singular path extending between the peripheral zone of the card and its center, and passing at least once therethrough via a gate or gates delineated by indicia.
    Type: Grant
    Filed: December 9, 1977
    Date of Patent: October 9, 1979
    Inventor: Kenneth A. Bredlau
  • Patent number: 4066265
    Abstract: An amusement device characterized by a transparent envelope having substantially planar sides, and a maze card of a substantially planar configuration having a maze defined thereon, adapted to be received in the envelope, including means defining along the opposite faces thereof a singular path extended between the periphery and the center of the maze and passing at least once through the card. In one embodiment the path is traced on the surface of the envelope employing a marking device, while in an alternate embodiment the path is defined in the card by a gated channel and a ball is seated in the channel and adapted to roll along the path as it traverses along its length.
    Type: Grant
    Filed: August 9, 1976
    Date of Patent: January 3, 1978
    Inventor: Kenneth A. Bredlau