Blow molded plastic structures are provided for use in various structures such as, but not limited to, tables, chairs, walls, backboards, storage bins, sports equipment and the like. The blow molded plastic structure has a first surface and a second surface extending between a first end and a second...http://www.google.es/patents/US8006630?utm_source=gb-gplus-sharePatente US8006630 - High-strength, lightweight blow-molded plastic structures
