4. Liquid crystal cells, elements and systems
  5. Liquid crystal system
  6. Variable or rotatable retarder used with other retarders to...

Kenneth Packer

Examiner

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Color polarizers for polarizing an additive color spectrum along

Liquid crystal cells – elements and systems – Liquid crystal system – Variable or rotatable retarder used with other retarders to...
Patent

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Cover for an indicator panel with transparent touchpad and displ

Communications: electrical – Land vehicle alarms or indicators – Internal alarm or indicator responsive to a condition of the...
Patent

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Method of driving an LCD employing combining two voltages which

Optical: systems and elements – Holographic system or element – Using a hologram as an optical element
Patent

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Nitride based semiconductor device

Active solid-state devices (e.g. – transistors – solid-state diode – Incoherent light emitter structure – With heterojunction
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1151620

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