Patents for Sale or License

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  • Figure 1 from U.S. Patent 12,741,228: isometric view of one construction-kit cube showing the rotary locking element (100) in each face, the face protrusions (102) and recesses (104), the annular grooves (106), and the tool aperture (110)

    US 12,741,228·Construction toys

    Rotary-locking cube construction kit

    A construction-kit cube that locks to any face of any other cube in the set by turning a rotary disk with a tool, so an assembled structure does not depend on friction to stay together.

    For sale or license

    View listing: Rotary-locking cube construction kit