4. Lighting
  5. Light fixture
  6. Articulated or adjustable

John R. Richardson

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Long-span bridges

Bridges – Suspension
Patent

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Motor-controlled lens system

Optics: image projectors – Plural projection paths with single light source
Patent

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Photorefractor ocular screening system

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type
Patent

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Scrolling primary color changer

Optical: systems and elements – Absorption filter – Neutral or graded density
Patent

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Selectable aperture module

Illumination – Light source and modifier – Adjustable or repositionable modifier
Patent

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Profile ID: LFUS-PAI-P-456460

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