US Patent 7857478 Wearable safety light apparatus

A wearable safety light apparatus includes a housing that includes a rear wall, a front wall and a perimeter wall extending between the front and rear walls. A light emitter is mounted in the housing and extends outwardly of the front wall. At least one battery is mounted within the housing and is electrically coupled to the light emitter to supply power to the light emitter. At least one lens is attached to the front wall and covering the light emitter. A strap is removably attached to the housing to removably attach the housing to a person.