US Patent 7267462 Light bar defogger

A lighting apparatus comprises a housing assembly, a light bulb socket and a forced air generation device. The housing assembly includes a light opening in a front wall thereof and an air delivery opening in a bottom wall thereof. The light bulb socket resides within the housing assembly and is attached to the housing assembly. A longitudinal centerline axis of the light bulb socket extends through the light bulb opening. The forced air generation device resides within the housing assembly and is attached to the housing assembly. The forced air generation device is configured for directing at least a portion of an air stream provided thereby through the air delivery opening.