The present invention provides a spray nozzle with both desirable aesthetic and functional attributes. The spray nozzle includes a central orifice and a plurality of blind recesses concentrically disposed around the central orifice, as well as an annular channel connecting all of the blind recesses....http://www.google.es/patents/US6000633?utm_source=gb-gplus-sharePatente US6000633 - Spray nozzle for anti-clog spray package
