LandOfFree - US Patents - Listing for Optics: image projectors,Picture carrier

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Photo viewing assembly

Optics: image projectors – Picture carrier

Patent

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Photographic slide assembly and projector

Optics: image projectors – Picture carrier

Patent

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Pinhole microfiche recorder and viewer

Optics: image projectors – Picture carrier

Patent

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Presentation and storage folder allowing projection of...

Optics: image projectors – Picture carrier

Reexamination Certificate

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Projection device and loop box therefor

Optics: image projectors – Picture carrier

Patent

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Projector cartridge for a filmstrip and a tape cassette

Optics: image projectors – Picture carrier

Patent

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Projector leveling and focusing aid and method of using same

Optics: image projectors – Picture carrier

Patent

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Protecting device for transparencies

Optics: image projectors – Picture carrier

Patent

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Protecting device for transparencies

Optics: image projectors – Picture carrier

Patent

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Protection device for transparencies for overhead projectors

Optics: image projectors – Picture carrier

Reexamination Certificate

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