4. Optics: eye examining, vision testing and correcting
  5. Spectacles and eyeglasses
  6. Continuous rim mounting

Win-Lin Yang

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Easily assembled and detached eyeglass

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – Continuous rim mounting
Reexamination Certificate

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Eyeglasses frame

Photography and optical equipment – Ophthalmic article – Eyeglasses – eyewear – or frame therefor
Design Patent

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