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:
Feb. 14, 2012
Filed:
Mar. 27, 2009
Applicants:
Jerome A. Legerton, San Diego, CA (US);
William E. Meyers, Scottsdale, AZ (US);
Inventors:
Jerome A. Legerton, San Diego, CA (US);
William E. Meyers, Scottsdale, AZ (US);
Assignee:
CRT Technology, Inc., Mesa, AZ (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention is directed toward the design of lenses to incorporate elevation features in at least one annular zone on the posterior surface of the lens that engage the elevation differences of the eye while allowing the central zone of the lens to have conventional spherical, aspheric, multifocal or toric geometry. In various embodiments, lenses according to the present invention are rotationally stable, free of flexure and well centered over the pupil.