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. 26, 2013
Filed:
Jul. 25, 2008
Applicants:
Mark Wilds, Cambridge, GB;
Peter Kelly, Cambridge, GB;
Paul Roberts, Cambridge, GB;
Dan Timson, Cambridge, GB;
Inventors:
Mark Wilds, Cambridge, GB;
Peter Kelly, Cambridge, GB;
Paul Roberts, Cambridge, GB;
Dan Timson, Cambridge, GB;
Assignee:
ITI Scotland Limited, Glasgow, GB;
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
G06K 19/06 (2006.01);
U.S. Cl.
CPC ...
Abstract
A security tag comprising at least one overt data carrier (), and at least one covert data carrier (), the covert data carrier comprising a ring () that is formed around the overt data carrier (). The covert data carrier () is invisible to the unaided eye when lit with visible light, but visible when illuminated with other light, for example UV light.