A substantially transparent map holder or envelope for retaining therein a composite map. The holder includes a plurality of compartments spaced between two layers of material connected together. Each compartment has at least one opening for insertion and removal of a printed map that may be a section...http://www.google.es/patents/US20020159657?utm_source=gb-gplus-sharePatente US20020159657 - Folding holder for maps and related travel information printouts
Folding holder for maps and related travel information printouts
