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. 25, 2014
Filed:
Mar. 21, 2011
Peter K. Barrett, Rockville, MD (US);
David W. Avison, Townsend, MA (US);
Steven Carlson, Cambridge, MA (US);
Peter K. Barrett, Rockville, MD (US);
David W. Avison, Townsend, MA (US);
Steven Carlson, Cambridge, MA (US);
Madico, Inc., Woburn, MA (US);
Optodot Corporation, Woburn, MA (US);
Abstract
A system of anti-surveillance security windows having one or more conductive glass substrates and one or more layers incorporating an organic radical cation compound, wherein the layers reflect in the infrared region, is demonstrated. Preferably, the organic radical cation compound is a salt of an aminium radical cation. The security windows may contain one or more layers of a multilayer interference stack of a metal/metal or metal/metal oxide design.