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.

Date of Patent:
Oct. 04, 2005

Filed:

Aug. 15, 2003
Applicants:

Rakesh Vig, Durham, CT (US);

Scott Gerger, Des Moines, IA (US);

Richard H. Selinfreund, Guilford, CT (US);

Peter Miller, New London, CT (US);

Junzhing LI, New London, CT (US);

Ewell Cook, Colchester, CT (US);

Anthony A. Saglimbeni, Deep River, CT (US);

Inventors:

Rakesh Vig, Durham, CT (US);

Scott Gerger, Des Moines, IA (US);

Richard H. Selinfreund, Guilford, CT (US);

Peter Miller, New London, CT (US);

Junzhing Li, New London, CT (US);

Ewell Cook, Colchester, CT (US);

Anthony A. Saglimbeni, Deep River, CT (US);

Assignee:

Verification Technologies, Inc., Centerbrook, CT (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B007/24 ;
U.S. Cl.
CPC ...
Abstract

A method and system for providing copy-protected optical medium using transient optical state change security materials capable of changing optical state when exposed to a wavelength of about 630 nm to about 660 nm and software code to detect such change in optical state.


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