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:
Feb. 25, 2014
Filed:
Nov. 11, 2008
Adam D. Polcyn, Pittsburgh, PA (US);
John A. Winter, Pittsburgh, PA (US);
Michael Buchanan, Cranberry Township, Butler County, PA (US);
Adam D. Polcyn, Pittsburgh, PA (US);
John A. Winter, Pittsburgh, PA (US);
Michael Buchanan, Cranberry Township, Butler County, PA (US);
PPG Industries Ohio, Inc., Cleveland, OH (US);
Abstract
An electromagnetic radiation shielding device includes a first ply having a No. 1 surface and a No. 2 surface and a second ply having a No. 3 surface and a No. 4 surface. The No. 2 surface of the first ply faces the No. 3 surface of the second ply. A first coating having three or more metallic layers is provided over at least a portion of one of the surfaces, such as over at least a portion of the No. 2 surface. A second coating having three or more metallic layers is provided over at least a portion of one or more of the other surfaces, such as over at least a portion of the No. 3 surface.