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:
Nov. 27, 2007
Filed:
Dec. 19, 2003
Applicants:
Edda Wehner, Munich, DE;
Andrea Welk, Munich, DE;
Gregor Esser, Munich, DE;
Helmut Altheimer, Baisweil-Lauchdorf, DE;
Walter Haimerl, Munich, DE;
Inventors:
Edda Wehner, Munich, DE;
Andrea Welk, Munich, DE;
Gregor Esser, Munich, DE;
Helmut Altheimer, Baisweil-Lauchdorf, DE;
Walter Haimerl, Munich, DE;
Assignee:
Rodenstock GmbH, Munich, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G02C 7/06 (2006.01); G02C 7/02 (2006.01);
U.S. Cl.
CPC ...
Abstract
A double progressive spectacle lens in which a first prescribed progressive surface can be freely designed. The second progressive surface is then optimized in relation to the first prescribed surface. Thereby, the resulting spectacle lens avoids the need to employ a classic hourglass design progression zone and produces optical and geometric advantages such as an overall height of the progressive lens.