Graphic means in the form of one or more symbols applied to one or more of the panels of a plurality of cargo containers to be loaded in a cargo receiving space, such as the cargo receiving space of a vehicle. The symbols provide graphic instructions to a loader as to how the cargo containers should...http://www.google.com.au/patents/US4408782?utm_source=gb-gplus-sharePatent US4408782 - Graphic means and method for maximizing utilization of cargo space
