LandOfFree - US Patents - Listing for Optics: image projectors,Light shield, mask, hood, or diaphragm

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Illumination aperture for projection display

Optics: image projectors – Light shield – mask – hood – or diaphragm

Reexamination Certificate

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Illumination attenuation system

Optics: image projectors – Light shield – mask – hood – or diaphragm

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Illumination system and projection system incorporating same

Optics: image projectors – Light shield – mask – hood – or diaphragm

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Illumination system with non-radially symmetrical aperture

Optics: image projectors – Light shield – mask – hood – or diaphragm

Reexamination Certificate

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Illuminator and projector

Optics: image projectors – Light shield – mask – hood – or diaphragm

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

Image display control panel for overhead projectors

Optics: image projectors – Light shield – mask – hood – or diaphragm

Patent

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Image mask for microfiche

Optics: image projectors – Light shield – mask – hood – or diaphragm

Patent

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Image pick-up device

Optics: image projectors – Light shield – mask – hood – or diaphragm

Patent

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Image projecting apparatus

Optics: image projectors – Light shield – mask – hood – or diaphragm

Patent

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Image projecting system

Optics: image projectors – Light shield – mask – hood – or diaphragm

Patent

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Image projector

Optics: image projectors – Light shield – mask – hood – or diaphragm

Reexamination Certificate

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Interface tube with stepped configuration

Optics: image projectors – Light shield – mask – hood – or diaphragm

Reexamination Certificate

[ 0.00 ] – not rated yet Voters 0 Comments 0

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