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Article: Alabama Inventor Develops Multifocal Polarized Sunglasses
- Article from:
- US Fed News Service, Including US State News
- Article date:
- August 23, 2006
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ALEXANDRIA, Va., Aug. 23 -- Stuart A. Parnell of Mobile, Ala., has developed a method of making a sunglasses lens. According to the U.S. Patent & Trademark Office: "Polarized sunglasses and lenses, and methods related thereto, are provided that include multifocal segments and which have a total thickness of less than about five millimeters."
The inventor was issued U.S. Patent No. 7,093,935 on Aug. 22.
The original application was filed on Sept. 1, 2004, and is available at: ...