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

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

Diffractive multi-focal lens

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

Diffractive multifocal lens having radially varying light...

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

Diffractive multifocal ophthalmic lens

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

Diffractive multifocal optical device

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

Diffractive multifocal optical device

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

Diffractive ophthalmic lens for correcting astigmatism

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

Diffractive/refractive spectacle and intraocular lens system for

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

Digital convergence system

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

Digital display for head mounted protection

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Brace arm or semi-rimless mounting

Digital equalizer apparatus enabling separate phase and amplitud

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

Digital eyewear

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

Dimensionally Stable eyewear

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

Dimethylacrylamide-copolymer hydrogels with high oxygen permeabi

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

Dip coating process for optical elements

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With auxiliary lenses movable in and out of the optical path

Dipvergence adjusting device for ocular mounting assembly

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

Direct view gonio lens

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

Discrete lens eyeglasses

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

Dismountable elastic spectacle hinge

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

Dismountable variable intensity polarized lenses