4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. Ophthalmic lenses or blanks

Michael H. Freeman

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Artificial eye lenses

Prosthesis (i.e. – artificial body members) – parts thereof – or ai – Eye prosthesis – Intraocular lens
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Biocular viewing apparatus

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Diffractive ophthalmic lens for correcting astigmatism

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

Adhesive bonding and miscellaneous chemical manufacture – Differential fluid etching apparatus – With microwave gas energizing means
Patent

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Manufacture of visual lenses

Electric heating – Metal heating – By arc
Patent

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Profile ID: LFUS-PAI-P-138011

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