LandOfFree - US Patents - Listing for Optics: image projectors,Transparent plate

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Apparatus and method for projection type display

Optics: image projectors – Transparent plate

Reexamination Certificate

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Film carrier for microfilm reader

Optics: image projectors – Transparent plate – Plate part of film gate

Patent

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Glass stage and an overhead type projector system

Optics: image projectors – Transparent plate – Plate part of film gate

Patent

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Light source unit and projector

Optics: image projectors – Transparent plate

Reexamination Certificate

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Machine for reading image carriers

Optics: image projectors – Transparent plate – Plate part of film gate

Patent

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Microfilm reader/printer with normally open and removable glass

Optics: image projectors – Transparent plate – Plate part of film gate

Patent

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Optical rod, manufacturing method of optical rod,...

Optics: image projectors – Transparent plate

Reexamination Certificate

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Over-head projector with partial projection device

Optics: image projectors – Transparent plate – Plate part of film gate

Patent

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Projection type image display apparatus

Optics: image projectors – Transparent plate

Reexamination Certificate

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Roll film reader/printer with manually insertable discrete film

Optics: image projectors – Transparent plate – Plate part of film gate

Patent

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