3m Innovative Properties Company

Robert H Lowe

Kristin M Schroeder

Cheryl A Olman

A compact, and low maintenance back lit illuminated sign ( ), especially such a back lit sign suitable for use on a vehicle. The shallow back lit illuminated sign ( ) comprises a housing ( ), a light source ( ) suitable for supplying light to a light fiber ( ), and at least one side-light emitting fiber ( ). The housing ( ) has a sign face ( ) and an interior surface ( ) that includes a back surface ( ). The sign face ( ) has an illuminated area that diffusely transmits light. The back surface ( ) is located at a depth from the sign face ( ). One or more side-light emitting fibers ( ) are connected so as to receive light from the light source ( ) and are mounted within the housing ( ) so as to limit the amount of emitted light, from the fiber(s) ( ), that travels directly to the sign face ( ).

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Woodbury, MN, United States of America

Robert H Lowe