4. Illumination
  5. Light source and modifier
  6. Adjustable or repositionable modifier

William B. Elmer

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Compound beam illuminating

Illumination – Light source and modifier – Including reflector
Patent

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Compound beam illuminating

Illumination – Light source and modifier – Including reflector
Patent

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Illuminating device with reflector portions and voids opposite t

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

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Inertial pendulum

Geometrical instruments – Indicator of direction of force traversing natural media – Level or plumb – terrestrial gravitation responsive
Patent

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Interior indirect lighting

Illumination – With static structure – Wall or ceiling
Patent

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Profile ID: LFUS-PAI-P-232463

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