Patents by Inventor Joseph M. Sofia

Joseph M. Sofia 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: 5732945
    Abstract: A toy maze comprising a container with a ball having a plurality of passage levels with vertically extending wall segments forming passageways. Each level is separated by a tray having a plurality of apertures, some of which are trap-holes with a mechanism for limiting the movement of the ball to only one direction.In a preferred embodiment of the toy maze of the present invention, the mechanism for limiting the movement of the ball to only one direction comprises at least one flexible flap which flexes to permit the ball to pass through an aperture from one level to the next level and resiliently blocks reverse movement of the ball.
    Type: Grant
    Filed: July 18, 1996
    Date of Patent: March 31, 1998
    Inventor: Joseph M. Sofia