Granted Patent
Utility
US 6,138,119 · App. 09/300,778
Techniques for defining, using and manipulating rights management data structures
Inventors:
Edwin J. Hall, Victor H. Shear, Luke S. Tomasello, David M. Van Wie, Robert P. Weber, Kim Worsencroft, Xuejun Xu
Patented Case
View Patent ↗
Granted: Oct 24, 2000
Filed: Apr 27, 1999
Inventors
Edwin J. Hall
Victor H. Shear
Luke S. Tomasello
David M. Van Wie
Robert P. Weber
Kim Worsencroft
Xuejun Xu
Assignee (at issue)
Intertrust Technologies Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.