Optical lens with marking and manufacturing method thereof

Details Optical lens with marking and manufacturing method thereof Optical lens with marking and manufacturing method thereof

2006-03-21

2006-03-21

Dang, Hung Xuan (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S159000

Reexamination Certificate

active

07014316

ABSTRACT:
An optical lens, has a marking entirely or partially outside an effective area of the lens to distinguish between surfaces of the lens.

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