Patent 7549537 was granted and assigned to Quanta Computer on June, 2009 by the United States Patent and Trademark Office.
A stereoscopic inner spacer composed of paper materials is described. The stereoscopic inner spacer is formed by buckling and folding. The stereoscopic inner spacer may be put in a packaging carton to provide separating compartments to support and hold objects in the packaging carton, thereby preventing the objects from damage caused by impacts and prevent the objects from damage resulting from mutual collisions.