According to the invention, a hand held sprayer is provided. Fluid flows from a reservoir to a delivery passageway upon pulling or pressing an actuator such as an aerosol actuator or button, a trigger or finger pump button. A nozzle having an inlet and an outlet is rotatably mounted to the outlet of...http://www.google.es/patents/US5667138?utm_source=gb-gplus-sharePatente US5667138 - Hand held spray dispenser system
