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

Multi-layered multifocal lens with blended refractive index

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

Multi-lens vision correction method and its apparatus

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Floating or underwater type

Multi-piece lens having bonded lens portions

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With support or holder

Multi-purpose eyeglass retainer

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With support or holder

Multi-purpose eyewear

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Lens pivots in and out of optical path

Multi-purpose glasses

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

Multi-purpose protective eye shield

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

Multi-purpose spectacle frame set

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

Multi-tint colored ophthalmic lenses for the short-sighted

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

Multifocal artificial ocular lens with a transparency varying wi

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

Multifocal artificial ocular lens with a transparency...

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

Multifocal aspheric lens

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

Multifocal birefrigent lens with adjusted birefringence

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

Multifocal birefringent lens system

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

Multifocal contact lens

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

Multifocal contact lens

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

Multifocal contact lens

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

Multifocal contact lens

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

Multifocal contact lens