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

Wiktor J. Rupp

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Method and apparatus for manufacturing glass progressive lenses

Glass manufacturing – Processes – Reshaping or surface deformation of glass preform
Patent

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Progressively varying focal power opthalmic lens

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

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Teaching device for progressive power lenses

Education and demonstration – Anatomy – physiology – therapeutic treatment – or surgery...
Patent

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Vacuum activated tool for the fabrication of optical surfaces

Abrasive tool making process – material – or composition – With carbohydrate or reaction product thereof
Patent

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Profile ID: LFUS-PAI-P-1174559

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