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DIGITAL CONTENT DISTRIBUTION, TRANSMISSION AND PROTECTION SYSTEM AND METHOD, AND PORTABLE DEVICE FOR USE THEREWITH

09/411,166 | U.S. Patent Application

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Location FILE REPOSITORY (FRANCONIA)
Filed Oct. 1, 1999
Examiner DANIEL L GREENE
Class 705
Art Group 3621
Patent No. 6,697,944
Case Type Utility - 705/057000
Status Patented Case
Last Updated: 1 year, 6 months ago
Date # Transaction