Granted Patent
Utility
US 6,389,402 · App. 09/328,671
Systems and methods for secure transaction management and electronic rights protection
Inventors:
Karl Ginter, Victor H. Shear, Francis J. Spahn, David M. Van Wie
Patented Case
View Patent ↗
Granted: May 14, 2002
Filed: Jun 9, 1999
Inventors
Karl Ginter
Victor H. Shear
Francis J. Spahn
David M. Van Wie
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.