Granted Patent
Utility
US 5,982,891 · App. 08/964,333
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: Nov 9, 1999
Filed: Nov 4, 1997
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.