An automobile floor mat designed to reduce movement of the mat relative to the floor having a relatively stiff portion and a second portion having a relatively flexible portion, the stiff and second portions each having base portions of monolithic elastomeric materials connected in a hinge area so that...http://www.google.co.uk/patents/US4382986?utm_source=gb-gplus-sharePatent US4382986 - Automobile floor mat with two base portions of different elastomeric materials
