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. 02, 1999
Filed:
Aug. 25, 1998
Applicant:
Inventors:
Thomas A Nicolette, Centerport, NY (US);
Peter Y Zhou, Smithtown, NY (US);
Dexing Pang, Smithtown, NY (US);
Assignee:
Sentry Technology Corp., Hauppauge, NY (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B32B / ;
U.S. Cl.
CPC ...
283 70 ; 283 79 ; 283 80 ; 283 82 ; 283 85 ;
Abstract
A method for confirming the authenticity of an article including placing a semi hard piece of material on an article then printing a magnetic pattern on the semi hard piece of material. In order to view the pattern, a viewer containing a suspension of materials will be placed over the semi hard piece of material. The suspension of materials will then orient in the presence of a magnetic field adjacent to the magnetic material.