A flashing warning light apparatus (10) for warning motorists in oncoming traffic that an object such as a car is stopped near the highway ahead. The apparatus (10) includes a housing (24) with an array of lights (12) on the front and possibly also the rear faces. Sensors (14) front and back sense oncoming...http://www.google.se/patents/US6963275?utm_source=gb-gplus-sharePatent US6963275 - Portable warning light apparatus