This invention comprises a parked vehicle shade device called an auto sun buffer zone, which provides a buffer zone to keep the vehicle cool when parked outdoors under the sun. The shade device covers the top, front windshield, rear window, side windows, trunk and hood (all the upper surfaces) of the...http://www.google.es/patents/US6427709?utm_source=gb-gplus-sharePatente US6427709 - Auto sun buffer zone
