74618257
Jan 5, 1995
Nov 28, 2000
Active Trademark
electrical lighting unit for the trucking and transportation industry consisting of light sources, namely light emitting diodes, incandescent lamps, fluorescent lamps, neon lamps; and electronic circuitry for detecting light source failures, communicating light source failures to a vehicle operator, regulating light output, multiplexing signals to illuminate alternate light sources in the event of a light source failure, and detecting and communicating anti-lock braking unit failures, and the like
Electrical and Scientific Apparatus