Patents Assigned to Imag-Verlags Ag Fur Immaterialguterrecht
  • Patent number: 4484744
    Abstract: A spherical body has three peripheral guide grooves, extending along orthogonally intersecting great circles, which are designed to retain respective sets of sliding elements with distinctive colors or other markings to be rearranged in certain patterns. The grooves are undercut and the sliding elements are removable therefrom as well as reinsertable into same upon separation of adjoining body segments which are snap-fitted together along the grooves.
    Type: Grant
    Filed: January 19, 1983
    Date of Patent: November 27, 1984
    Assignee: Imag-Verlags Ag Fur Immaterialguterrecht
    Inventor: Bruno Gmunder