A modular flooring system that includes a plurality of interlocking floor panels arrangeable into a variety of configurations. In one embodiment, each interlocking floor panel includes tongues and grooves that allow adjacent ones of the panels to connect with one another by the mating of tongues and...http://www.google.fr/patents/US7490443?utm_source=gb-gplus-shareBrevet US7490443 - Modular flooring system
