Patents by Inventor James E. Sheftel

James E. Sheftel 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).

  • Stacking brick tower game
    Patent number: 5611544
    Abstract: A game is played by building a tower of bricks in multiple levels, and players alternately removing a brick from one level and adding it to the top of the tower to build new levels, until collapse of the tower occurs. Bricks of a variety of different types are provided with each type having different physical characteristics, such as shape, size, surface configuration and/or coefficient of friction. At least two adjacent layers of the initial tower are formed from bricks of different types.
    Type: Grant
    Filed: November 27, 1995
    Date of Patent: March 18, 1997
    Assignee: Pokonobe Associates
    Inventors: Robert K. Grebler, Paul Eveloff, James E. Sheftel