LandOfFree - US Patents - Listing for Optics: eye examining, vision testing and correcting,Spectacles and eyeglasses,Folding

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Auxiliary lens holder device for use with a keratometer

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Biofocal type ophthalmic lens alignment determining device

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Case folding eyeglasses

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Reexamination Certificate

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Coaxial ophthalmoscope arrangement

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Coaxial opthalmoscope arrangement

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Collapsible eyeglasses

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Reexamination Certificate

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Collapsible glasses

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Collapsible glasses frames

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Collapsible spectacles

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Color vision perception testing device

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Combinable apparatus for examination of the eye

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Combination of foldable glasses and rigid compact container

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Compact eyeglass construction

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Compact refraction instrument

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Compact subjective refractive instrument

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Contact lens for examining the interior of the eye

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Convergence mechanism for binocular refracting instrument

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Cornea-examining instrument

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Curvature measuring optical system in ophthalmometer

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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Device and method for measuring the curvature of the cornea

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Folding

Patent

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