The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 27, 2008
Filed:
May. 19, 2003
Applicants:
Amitava Gupta, Roanoke, VA (US);
Shyamy Sastry, Roanoke, VA (US);
C. Benjamin Wooley, Roanoke, VA (US);
Inventors:
Amitava Gupta, Roanoke, VA (US);
Shyamy Sastry, Roanoke, VA (US);
C. Benjamin Wooley, Roanoke, VA (US);
Assignee:
Essilor International (Compagnie Generale d'Optique), Charenton Cedex, FR;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention provides multifocal lenses containing at least four zones of different refractive power. The zones are positioned such that the wearer is able to use the inferior-most portion of the lens to more clearly, as compared to conventional multifocal lenses, view objects at distances more than 45 cm from the eye.