B. Jin Chang

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Binoculars

Photography and optical equipment – Optical article not elsewhere specified – Telescope
Patent

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Eye protection accessory

Optics: eye examining – vision testing and correcting – Spectacles and eyeglasses – With antiglare or shading
Patent

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Head-mounted LED light

Lighting – Light fixture – Hand-held – body-attached or lantern type
Design Patent

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Holographic filter construction for protective eyewear

Patent

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Holographic optical element having periphery with gradually decr

Patent

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Profile ID: LFUS-PAI-P-331621

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