LandOfFree - US Patents - Listing for Optics: image projectors

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Microfiche reader

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

Patent

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Microfiche reader

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

Patent

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Microfiche reader

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

Patent

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Microfiche reader assembly and method

Optics: image projectors – Cabinet encloses projector and one side of screen – Reflector between lamp and screen

Patent

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Microfiche reader carrier assembly

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

Patent

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Microfiche reader employing dual incremental advancing means

Optics: image projectors – Selective data retrieval

Patent

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Microfiche reader means

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

Patent

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Microfiche reader projection screen

Optics: image projectors – Plural projection paths with single light source

Patent

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Microfiche reader transport system

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

Patent

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Microfiche reader with improved carriage mounting

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

Patent

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Microfiche reading apparatus

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

Patent

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Microfiche reading carrel

Optics: image projectors – Cabinet encloses projector and one side of screen – Reflector between lamp and screen

Patent

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Microfiche roll reproducer

Optics: image projectors – Selective data retrieval – Film strip

Patent

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Microfiche viewer

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

Patent

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Microfiche viewer with rotatable base

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

Patent

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Microfilm aperture card, in particular camera card

Optics: image projectors – Picture carrier

Patent

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Microfilm card and a microfilm reader with automatic stage posit

Optics: image projectors – Selective data retrieval

Patent

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Microfilm cartridge storage and retrieval system

Optics: image projectors – Selective data retrieval – Film strip

Patent

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Microfilm cassette

Optics: image projectors – Selective data retrieval – Film strip

Patent

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Microfilm cassette and the projection apparatus for the viewing

Optics: image projectors – Selective data retrieval – Film strip

Patent

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