Pair of spectacle lenses

Details Pair of spectacle lenses Pair of spectacle lenses

2006-08-01

2006-08-01

Schwartz, Jordan M. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S169000, C351S177000

Reexamination Certificate

active

07083277

ABSTRACT:
A pair of spectacle lenses in which one spectacle lens is designed for distance vision or near vision, and the second spectacle lens is designed for another object distance.

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patent: 6554859 (2003-04-01), Lang et al.
patent: 6561646 (2003-05-01), Silliphant
patent: 2001/0033363 (2001-10-01), Chateau et al.

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