4. Photocopying
  5. Projection printing and copying cameras
  6. Multicolor picture

Egbertus J. P. Maassen

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Color analyzer

Optics: measuring and testing – By shade or color – Photography
Patent

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Electric reflector lamp

Illumination – Modifier mountable on light source envelope – With additional modifier
Patent

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Electric reflector lamp

Illumination – Light source and modifier – Including reflector
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Electronic flash unit

Patent

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Luminaire having a faceted reflecting surface

Illumination – Light modifier – Reflector
Patent

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Profile ID: LFUS-PAI-P-178593

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