62 years ago, – on January 28, 1958 – LEGO® owner Godtfred Kirk Christiansen applied for a patent regarding an invention which is one of the biggest milestones in history for LEGO®, that provides endless building possibilities! The novel interlocking principle ensures that each brick has just the right clutch power, in a way that two or several bricks stick together like glue but come apart easily. Such that you can build and rebuild whatever you imagine! The patent not only covers one specific type of brick but several different designs.