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US20070103922 Illuminated vehicle identification sign  
The illuminated vehicle identification sign is an apparatus having an EL panel powered up by a dc to ac inverter. Adhered to the EL panel is a white translucent vinyl first overlay. A black opaque...
US20070247862 LIGHTING OR SIGNALLING DEVICE WITH DEPTH EFFECT  
A lighting or signalling device in which a particular output unit of the device in question is formed, the output unit consisting of a stack of screens, independent of one another; each screen...
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