4. Photocopying
  5. Projection printing and copying cameras
  6. Illumination systems or details

Roland W. Porth

Inventor

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Document reproduction device utilizing a selective color illumin

Photocopying – Projection printing and copying cameras – Illumination systems or details
Patent

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Slot coater device for applying developer to film for...

Photography – Fluid-treating apparatus – Photographic medium or cartridge sensing
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1058188

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