LandOfFree - US Patents - Listing for Optics: image projectors,Slide transfer mechanism

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Defined orientation slide projector and slides

Optics: image projectors – Slide transfer mechanism – Magnetically operated

Patent

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Device for moving a slide into a slide gate and for receiving a

Optics: image projectors – Slide transfer mechanism

Patent

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Device for moving slides vertically in projectors

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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Device for the successive display of pictures in recreational ma

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

Patent

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Device for transporting slide film mounts in a slide film projec

Optics: image projectors – Slide transfer mechanism – Feeder magazine and receiver magazine

Patent

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Diaprojector

Optics: image projectors – Slide transfer mechanism – For slides of various dimensions

Patent

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Disk film projector

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

Patent

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Disk film projector

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

Patent

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Drive for a circular magazine of a slide projector

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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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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Drum-type slide magazine

Optics: image projectors – Slide transfer mechanism – Magnetically operated

Patent

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Dual photographic slide projector

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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Dual photographic slide projector

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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Dual slide projector and tray

Optics: image projectors – Slide transfer mechanism – Slides reciprocated horizontally

Patent

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