A set that includes a plurality of the lighting devices, each lighting device including a body having a light-emitting element, an attachment element for attaching the lighting device to a supporting body, and an independent power source for supplying power to the light-emitting element. The set also...http://www.google.com/patents/US7419283?utm_source=gb-gplus-sharePatent US7419283 - Electrical decoration lighting device and set of such devices
