4. Photography and optical equipment
  5. Ophthalmic article
  6. Eyeglasses, eyewear, or frame therefor

California Design Studio Inc.

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Double piston spring hinge eyeglasses

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

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Double piston spring hinge for hingeably connecting temples to a

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

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Eyeglasses

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

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Single hydraulic spring hinge eyeglasses

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

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