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

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Phorometer operated by an electric motor

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type

Patent

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Phoropter

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type

Patent

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Phoropter

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type

Patent

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Photo-deviometer

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type

Patent

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Photobiologic sunglasses and transmitters

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading

Patent

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Photochromatic gradient lens having two colortones and process f

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Patent

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Photochromic articles

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Patent

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Photochromic bis-naphthopyran compounds and methods for...

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Subjective type

Reexamination Certificate

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Photochromic compound and articles containing the same

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Patent

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Photochromic compound and articles containing the same

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Patent

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Photochromic eyeglass frames and their method of making

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With decoration or ornamentation

Reexamination Certificate

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Photochromic multifocal lenses

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Patent

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Photochromic multifocal lenses

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Patent

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Photochromic multifocal optical article

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Reexamination Certificate

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Photochromic ophthalmic lens

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Patent

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Photochromic ophthalmic lens of organic materials

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Patent

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Photochromically colored object

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Ophthalmic lenses or blanks

Patent

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Photocoagulation apparatus

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type

Patent

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Photocoagulator

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – Objective type

Patent

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Photoelectronic diode spatial light modulator and eye protection

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading

Patent

[ 0.00 ] – not rated yet Voters 0 Comments 0

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