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Lamp and lens retrofit assembly for overhead projector

Optics: image projectors – Lens support
Patent

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Laser beam focusing arrangement and method

Optics: image projectors – Lens support – Lens position adjustable
Reexamination Certificate

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Lens cover set

Optics: image projectors – Lens support
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Lens focusing means for slide projectors

Optics: image projectors – Lens support – Lens position adjustable
Patent

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Lens shift mechanism and projection type video display

Optics: image projectors – Lens support – Lens position adjustable
Reexamination Certificate

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Lens shift mechanism and projection type video display

Optics: image projectors – Lens support – Lens position adjustable
Reissue Patent

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Lens shifting apparatus

Optics: image projectors – Lens support – Lens position adjustable
Reexamination Certificate

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Lens-shifting device

Optics: image projectors – Lens support – Lens position adjustable
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Liquid crystal display projector

Optics: image projectors – Lens support – Lens position adjustable
Patent

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Liquid crystal display projector with a lens shading device...

Optics: image projectors – Lens support – Lens position adjustable
Reexamination Certificate

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Liquid crystal projector

Optics: image projectors – Lens support
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Liquid crystal projector

Optics: image projectors – Lens support – Lens position adjustable
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Locking device for a projector component

Optics: image projectors – Lens support
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