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

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

Bifocal multiorder diffractive lenses for vision correction

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

Bifocal multiorder diffractive lenses for vision correction

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

Bifocal multiorder diffractive lenses for vision correction

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

Bifocal ophthalmic lens constructed from birefringent material

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

Bifocal plastic lens

Optics: eye examining – vision testing and correcting – Eye examining or testing instrument – For interpupillary distance measuring or lens positioning

Bifocal segment demonstration and measuring apparatus

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

Bifocal spectacles for computer users and display device...

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Invertible or reversible multifocal type

Bifocal-compensating eyeglass attachment

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

Bilevel telemicroscopic apparatus

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

Bimodulus contact lens article

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

Binocular and spectacle-type mounting assembly therefor

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

Binocular direct opthalmoscope

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

Binocular eyeglasses for image magnification

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

Binocular eyeglasses for image magnification

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

Binocular field of view simulator

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

Binocular glasses

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

Binocular indirect ophthalmoscope

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

Binocular indirect ophthalmoscope

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

Binocular indirect ophthalmoscope