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

Bernhard Ganswein

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Hardened circular spectacle-lens element and method of making th

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

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Operation microscope with an interference filter, and interferen

Optical: systems and elements – Light interference – Produced by coating or lamina
Patent

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Thin film of gallium oxide and method of producing the film

Stock material or miscellaneous articles – Composite – Of quartz or glass
Patent

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Profile ID: LFUS-PAI-P-514201

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