4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
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Reciprocal, subtractive, audio spectrum equalizer

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

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Reduced glare scanner

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

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Reduced glare scanner

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

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Refractive index gradient lens

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

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Refractometer for the automatic objective determination of the r

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

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Refractor cross-cylinder apparatus

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

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Refractor optical system

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

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Reinforced nose bridge and eyeglasses utilizing same

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

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Relaxation sunglasses having absorbent element for retaining...

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With moisture prevention or absorption
Reexamination Certificate

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Remedy for dry eye syndrome

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With moisture prevention or absorption
Reexamination Certificate

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Remedy for dry eye syndrome

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With moisture prevention or absorption
Reexamination Certificate

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Remedy for dry eye syndrome

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With moisture prevention or absorption
Reexamination Certificate

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Remedy for dry eye syndrome

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With moisture prevention or absorption
Reexamination Certificate

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Remedy for dry eye syndrome

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With moisture prevention or absorption
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Remedy for dry eye syndrome

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With moisture prevention or absorption
Reexamination Certificate

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Remote image magnifying device

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

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Removable cover for eyeglass nose pad

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

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Removable eyeglass nosebridge

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

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Removable eyeglasses clasp

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Temples
Reexamination Certificate

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Removable lens frame mounted to an eyewear platform

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

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