A wind guard is adapted for mounting on the upper edge of a vertically movable window of a motor vehicle, such as an automobile. The wind guard is preferably composed of a flexible plastic material and has an inverted U-shape so that it can be slipped onto the window and adjusted vertically thereon to...http://www.google.es/patents/US5014607?utm_source=gb-gplus-sharePatente US5014607 - Window wind guard for motor vehicles
