IP Library Assignment 017617/0591
Patent Assignment
Reel/Frame 017617/0591

Assignment of Assignor's Interest

Recorded: 2006-02-28 Pages: 2
Assignors
STEFIK, MARK J.
Executed: 2006-02-21
PIROLLI, PETER L.T.
Executed: 2006-02-21
Assignee
CONTENTGUARD HOLDINGS, INC.
103 FOULK ROAD, SUITE 200-M, WILMINGTON, DELAWARE, 19803
Covered Property (1)
Usage rights grammar and digital works having usage rights created with the grammar
Application: 11/175,452 →
Publication: US 2006/0129493