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:
Dec. 31, 2013
Filed:
Nov. 24, 2009
Applicant:
Valdemar Portney, Newport Coast, CA (US);
Inventor:
Valdemar Portney, Newport Coast, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 5/18 (2006.01);
U.S. Cl.
CPC ...
Abstract
A multifocal ophthalmic lens includes a lens element having an anterior surface and a posterior surface, a refractive zone, or base surface having produced multifocal powers disposed on one of the anterior and posterior surfaces; and a near focus diffractive multifocal zone disposed on one of the anterior and posterior surfaces.