A warning light is integrated with a fixed position, externally mounted rear-view mirror, the warning light having a housing which forms an aerodynamically contoured extension of the mirror. A light head is received by the housing such that, when the housing is engaged by the rear-view mirror, the light...http://www.google.de/patents/US5660457?utm_source=gb-gplus-sharePatent US5660457 - Integrated warning light and rear-view mirror