4. Illumination
  5. Light source or light source support and luminescent material

Robert P. Helstern

Inventor

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Display system

Illumination – Illuminated scale or dial – Edge illuminated modifier or light rod/pipe
Patent

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Display system

Card – picture – or sign exhibiting – Illuminated sign – Lamp box
Patent

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Display system

Illumination – Illuminated scale or dial
Patent

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Display system having electroluminescent devices

Illumination – Light source or light source support and luminescent material
Patent

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Illumination system

Illumination – Light source and modifier – Including selected wavelength modifier
Patent

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Profile ID: LFUS-PAI-P-512290

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