4. Optics: image projectors
  5. Temperature control

Thomas J. Persha

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Lamp assembly and power module for fanless microfiche reader

Optics: image projectors – Temperature control
Patent

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Lamp assembly and power module for fanless microfiche reader

Optics: image projectors – Temperature control – Heat filter
Patent

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Microfilm reader or similar article

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

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Microfilm reader/printer

Photography and optical equipment – Projector or viewer – With provision for transparency magazine
Patent

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Microfilm transport with automatic threading

Optics: image projectors – Film gate
Patent

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Profile ID: LFUS-PAI-P-705154

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