Patents by Inventor Imre Asztalos

Imre Asztalos 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).

  • Puzzle with a toroidal channel engaging a plurality of toroidal rings perpendicular thereto
    Patent number: 5301943
    Abstract: The apparatus is a puzzle which includes a central toroidal channel with a rotating cogged wheel therein. A plurality of hollow toroidal rings intersect perpendicular to the central toroidal channel. These toroidal rings include balls of different colors. These balls pass from toroidal ring to toroidal ring through the toroidal channel. The object of the puzzle is to intermix balls of different colors and then rearrange the balls so that all balls of a single color are in a single toroidal ring.
    Type: Grant
    Filed: October 1, 1992
    Date of Patent: April 12, 1994
    Inventor: Imre Asztalos