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

Back-surface progressive power lens

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

Balanced progressive lens

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

Band filters for use in protective glasses

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

Bar skiascope beam fixable in parallel

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

Base and auxiliary eyeglass system using magnets

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

Beam steering optical system and method and ophthalmic apparatus

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

Bearing screw and its use as a hinge-pin in spectacles

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Continuous rim mounting

Bent-wire spectacle frame

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

BEST CORRECTED VISUAL ACUITY CHARACTERISTICS MEASURING...

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Split rim mounting

Bezel closure device particularly for eyeglasses frames

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

Bi-aspherical type progressive-power lens

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

Bi-aspherical type progressive-power lens

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

Bi-aspherical type progressive-power lens and method of...

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

Bi-aspherical type progressive-power lens and method of...

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

Bi-focal contact lens

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

Bi-focal corneal contact lens

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

Biased eyeglass frames

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

Biased eyeglass frames

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

Biased eyeglass frames