A rotating stand or rack is provided for displaying various items of merchandise, such as greeting cards, paperback books, cassettes, cartridges, floppy disks, folders, and the like. The stand includes an elongated shaft mounted on the base for rotation around its longitudinal axis. The shaft extends...http://www.google.es/patents/US4534473?utm_source=gb-gplus-sharePatente US4534473 - Display stand
