4. Optics: motion pictures
  5. With film treating or working

George C. Karalus

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Document processing system

Classifying – separating – and assorting solids – Sorting special items – and certain methods and apparatus for... – Traveling items shifted to form line – or into end or edge...
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Film handling apparatus blower system

Optics: image projectors – Temperature control – Blower
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Film handling apparatus control system

Optics: motion pictures – With film treating or working
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Operator responsive audio-visual teaching apparatus

Optics: image projectors – Plural projection paths with single light source
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Profile ID: LFUS-PAI-P-1359992

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