A light emitting diode warning lamp which meets selected Society of Automotive Engineers Standards; the invention comprises a housing, a printed circuit board secured within the housing, a plurality of light emitting diodes mounted to the printed circuit board and operatively arranged to produce light...http://www.google.fr/patents/US6183100?utm_source=gb-gplus-shareBrevet US6183100 - Light emitting diode 360.degree. warning lamp
