4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. Temples

Pierre C. Van Rysselberghe

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Device and method for whole blood separation and analysis

Chemistry: analytical and immunological testing – Optical result – With reagent in absorbent or bibulous substrate
Patent

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Eyeglass retainer

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

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Eyeglass retainer

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

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Multi-image compositing

Optical: systems and elements – Relief illusion
Patent

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Profile ID: LFUS-PAI-P-1050700

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