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:
Oct. 30, 2012
Filed:
Apr. 22, 2010
Applicants:
Ray Steven Spratt, Petaluma, CA (US);
Darryl Meister, Olathe, KS (US);
Wolf Krause, Essingen, DE;
Inventors:
Assignees:
Carl Zeiss Vision Inc., Petaluma, CA (US);
Carl Zeiss Vision International GmbH, Aalen, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/04 (2006.01); G02C 7/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
The invention provides multi-focal segmented lenses with boundaries that include at least one blended portion and at least one sharp portion. The lenses may possess, for example, the aesthetic advantage of blended multi-segment or progressive lenses while largely retaining the functional advantage of multi-segment lenses with sharp segment boundaries.