A self-illuminant delineator including a plurality of light-emitting diodes being flickerably disposed on the sign surface of the delineator and covered by a transparent cover, a solar cell module being disposed on the top surface of the delineator and covered with a transparent cover, a transmission...http://www.google.de/patents/US4841278?utm_source=gb-gplus-sharePatent US4841278 - Self-illuminant delineator and delineator system by use thereof
