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

Ian D. Howard

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Telemicroscopic apparatus for sighting and bi-level viewing

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

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Telemicroscopic apparatus for sighting and bi-level viewing

Optical: systems and elements – Compound lens system – Telescope
Patent

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Profile ID: LFUS-PAI-P-847012

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