Patents by Inventor Ofer Ben-Gal

Ofer Ben-Gal 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).

  • Toy construction apparatus
    Patent number: 4822315
    Abstract: An assembly toy comprising a plurality of engaged interconnectable elements, each interconnectable element including a generally planar surface and comprising at least one engagement portion selected from first and second types of mutually interconnectable engagement portions, individual ones of the first and second types of mutually interconnectable engagement portions, when engaged permitting relative displacement of the elements interconnected thereby with a plurality of degrees of freedom.
    Type: Grant
    Filed: October 13, 1987
    Date of Patent: April 18, 1989
    Inventors: Ofer Ben-Gal, Nissim Sabatov
  • Labyrinth puzzle
    Patent number: 4685679
    Abstract: A type of labyrinth puzzle comprising a variable path labyrinth comprising first and second labyrinth defining portions which are movable with respect to each other.
    Type: Grant
    Filed: February 4, 1986
    Date of Patent: August 11, 1987
    Inventors: Ofer Ben-Gal, Nissim Sabatov