Invisible multifocal sunglasses

Details Invisible multifocal sunglasses Invisible multifocal sunglasses

2005-12-20

2005-12-20

Sugarman, Scott J. (Department: 2873)

Optics: eye examining, vision testing and correcting

Spectacles and eyeglasses

Ophthalmic lenses or blanks

C351S044000, C351S166000, C351S168000

Reexamination Certificate

active

06976757

ABSTRACT:
Invisible bifocal sunglasses. The sunglasses include a hard mirror coating to disguise the different focal powers of the sunglasses. The bifocal sunglasses also include a bifocal region that is molded within the main lens blank of the sunglasses.

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patent: 6726320 (2004-04-01), Mullin et al.
patent: 2004/0046927 (2004-03-01), Montgomery

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