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:
Mar. 18, 2008
Filed:
Sep. 26, 2003
Applicants:
Richard H. Selinfreund, Guilford, CT (US);
Scott Gerger, Des Moines, IA (US);
Rakesh Vig, Durham, CT (US);
Junzhong LI, New London, CT (US);
Inventors:
Richard H. Selinfreund, Guilford, CT (US);
Scott Gerger, Des Moines, IA (US);
Rakesh Vig, Durham, CT (US);
Junzhong Li, New London, CT (US);
Assignee:
Verification Technologies, Inc., Essex, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B 7/24 (2006.01); H04L 9/32 (2006.01);
U.S. Cl.
CPC ...
Abstract
A copy-protected optical medium comprising transient optical state change security materials that demonstrating an optical state change when exposed to the wavelengths of from about 770 nm to about 830 nm.