The US Patent and Trademark Office has granted an Apple design patent on the most recent incarnation of the glass cube sitting over the Fifth Avenue Apple Store in New York City. The original cube — paid for and partly designed by Apple co-founder Steve Jobs — used 90 panes of glass. In 2011, however, Apple spent some $6.7 million on installing a redesigned, more visually-appealing version of the cube with just 15 panes, taking advantage of advances in glass technology….
