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. 03, 2009
Filed:
Aug. 03, 2000
Applicants:
Richard H. Selinfreund, Guilford, CT (US);
Donald Roland Goyette, Plainfield, CT (US);
Jeffrey M. Drew, Branford, CT (US);
Rakesh Vig, Durham, CT (US);
Inventors:
Richard H. Selinfreund, Guilford, CT (US);
Donald Roland Goyette, Plainfield, CT (US);
Jeffrey M. Drew, Branford, CT (US);
Rakesh Vig, Durham, CT (US);
Assignee:
Verification Technologies, Inc., Essex, CT (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 7/167 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method and apparatus for controlling access to a storage medium, such as an optically readable medium. Light sensitive or other materials that are adapted to change state and affect reading of a storage medium are used to control access to data that may be stored on optical medium and/or to control use of the medium.