4. Optics: image projectors
  5. Selective data retrieval
  6. Plural picture rows on single microcard

Ralph A. Sickles

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Drive mechanism for a spiral array of individual film photograph

Optics: image projectors – Slide transfer mechanism – Slides fixed to movable carrier
Patent

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Micro fiche handler

Optics: image projectors – Selective data retrieval – Plural picture rows on single microcard
Patent

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Rectilinear transport means

Optics: motion pictures – Removable film strip magazine type
Patent

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Slide machine loading apparatus

Optics: image projectors – Slide transfer mechanism
Patent

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Profile ID: LFUS-PAI-P-19853

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