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. 15, 2019
Filed:
Sep. 01, 2017
Applicant:
Vision Ease, Lp, Ramsey, MN (US);
Inventors:
Jeff Brown, St. Louis Park, MN (US);
Michael S. Boulineau, Forest Lake, MN (US);
Michael Marshall, Andover, MN (US);
Tim Reynolds, Roseville, MN (US);
Assignee:
Vision Ease, LP, Ramsey, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/02 (2006.01); G02B 1/111 (2015.01); G02B 5/23 (2006.01);
U.S. Cl.
CPC ...
G02C 7/022 (2013.01); G02B 1/111 (2013.01); G02B 5/23 (2013.01); G02C 7/02 (2013.01);
Abstract
Optical devices such as eyeglass lenses and digital displays having improved optical characteristics achieved, in part, through incorporation of an index matching system between material layers having different refractive indices.