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

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

Disposable/reusable sun filter

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

Distance optimizing apparatus for a placido-based eye observatio

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

Distortion free ophthalmic lens for presbyopia having wide range

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

Dive mask system

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

Dive mask with integrated monitoring system

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

Diver's face mask having aspheric, afocal lens system providing

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With rear-view reflectors

Diver's mask with fixed mirrorized surfaces

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With rear-view reflectors

Diver's mask with rotatable mirrorized elements

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

Diving mask

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

Diving mask

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

Diving mask

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

Diving mask having distortionless peripheral vision

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

Diving mask with auxiliary lens

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

Diving mask with improved field of vision

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

Diving mask with lenses and method of fabricating the same

Reissue Patent

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

Diving mask with lenses and method of fabricating the same

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

Diving mask with lenses and method of fabricating the same

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

Dot radial ringed placido

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Nose pads or cushions

Double baised eyeglass nosepiece