US Patent 6976757 Invisible multifocal sunglasses
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Patent 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 Inventor Names
Jeff DeFazio0
Date of Patent
December 20, 2005
0Patent Application Number
109041730
Date Filed
October 27, 2004
0Patent Primary Examiner
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US Patent 6976757 Invisible multifocal sunglasses
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