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:
Aug. 04, 2020
Filed:
Jan. 23, 2019
Applicant:
Vision Ease, Lp, Ramsey, MN (US);
Inventors:
Jeff Brown, St. Louis Park, MN (US);
Michael L. Marshall, Andover, MN (US);
Michael S. Boulineau, Forest Lake, MN (US);
Assignee:
Vision Ease, LP, Ramsey, MN (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02C 7/10 (2006.01); G02B 5/26 (2006.01); G02B 5/22 (2006.01); G02B 5/20 (2006.01); G02B 5/28 (2006.01); C23C 14/08 (2006.01); C23C 14/10 (2006.01); C23C 14/06 (2006.01); C23C 14/20 (2006.01); C23C 14/34 (2006.01);
U.S. Cl.
CPC ...
G02B 5/22 (2013.01); C23C 14/0641 (2013.01); C23C 14/083 (2013.01); C23C 14/10 (2013.01); C23C 14/205 (2013.01); C23C 14/34 (2013.01); G02B 5/208 (2013.01); G02B 5/26 (2013.01); G02B 5/283 (2013.01); G02B 5/285 (2013.01); G02C 7/10 (2013.01); G02C 7/107 (2013.01);
Abstract
An optical filter providing selective transmittance of target wavelengths of light and tunable, differential front and back surface reflectance.