LandOfFree - US Patents - Listing for Optics: image projectors,Projector or screen removable from common housing

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Apparatus having a picture screen for the display of picture seq

Optics: image projectors – Projector or screen removable from common housing

Patent

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Auxiliary device equipped with projector for use with an...

Optics: image projectors – Projector or screen removable from common housing

Reexamination Certificate

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Collapsible microfiche reader assembly especially suitable for u

Optics: image projectors – Projector or screen removable from common housing

Patent

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Collapsible microfilm reader

Optics: image projectors – Projector or screen removable from common housing

Patent

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Device for mounting and demounting optical element

Optics: image projectors – Projector or screen removable from common housing – Plural reflectors between lamp and screen

Reexamination Certificate

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Device for mounting and demounting optical element

Optics: image projectors – Projector or screen removable from common housing – Plural reflectors between lamp and screen

Reexamination Certificate

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Display shelf having placing tables and transmission type...

Optics: image projectors – Projector or screen removable from common housing – Plural reflectors between lamp and screen

Reexamination Certificate

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Folding transparency (microfiche) viewer

Optics: image projectors – Projector or screen removable from common housing – Plural reflectors between lamp and screen

Patent

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Image display apparatus

Optics: image projectors – Projector or screen removable from common housing – Plural reflectors between lamp and screen

Reexamination Certificate

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Image display apparatus

Optics: image projectors – Projector or screen removable from common housing – Plural reflectors between lamp and screen

Reexamination Certificate

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Microfilm viewer

Optics: image projectors – Projector or screen removable from common housing

Patent

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Projector

Optics: image projectors – Projector or screen removable from common housing

Patent

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