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US Patent 6976757 Invisible multifocal sunglasses

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Patent
Patent
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Patent attributes

Patent Jurisdiction
United States Patent and Trademark Office
United States Patent and Trademark Office
0
Patent Number
69767570
Patent Inventor Names
Jeff DeFazio0
Date of Patent
December 20, 2005
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Patent Application Number
109041730
Date Filed
October 27, 2004
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Patent Citations Received
‌
US Patent 11911542 Opening cover
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Patent Primary Examiner
‌
Scott J. Sugarman
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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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