4. Illumination
  5. Illuminated scale or dial
  6. Edge illuminated modifier or light rod/pipe

Wesley H. Halstead

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Color liquid crystal display having diffractive color...

Liquid crystal cells – elements and systems – Particular structure – Having significant detail of cell structure only
Reexamination Certificate

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Light collimator for liquid crystal displays

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

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Trimodal microlens

Optical: systems and elements – Diffraction – From grating
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2511600

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