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:
May. 18, 2021
Filed:
Nov. 26, 2018
Applicants:
National Technology & Engineering Solutions of Sandia, Llc, Albuquerque, NM (US);
Joseph J. Reczek, Granville, OH (US);
Inventors:
Bryan James Kaehr, Albuquerque, NM (US);
Joseph J. Reczek, Granville, OH (US);
Assignee:
National Technology & Engineering Solutions of Sandia, LLC, Albuquerque, NM (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/06 (2006.01); C09K 19/38 (2006.01); G06K 19/02 (2006.01); G02F 1/1333 (2006.01);
U.S. Cl.
CPC ...
G06K 19/0615 (2013.01); C09K 19/3804 (2013.01); G02F 1/133362 (2013.01); G06K 19/02 (2013.01); G06K 19/022 (2013.01); G06K 19/06037 (2013.01);
Abstract
The present invention relates to an optical code including a film of a charge-transfer material, as well as methods thereof. Described herein are optical codes having anisotropic and/or isotropic regions within the film, which can be provided in a pattern that serves as an optical code.