Granted Patent
Utility
US 6,157,721 · App. 08/689,754
Systems and methods using cryptography to protect secure computing environments
Inventors:
Victor H. Shear, W. Olin Sibert, David M. Van Wie
Patented Case
View Patent ↗
Granted: Dec 5, 2000
Filed: Aug 12, 1996
Inventors
Victor H. Shear
W. Olin Sibert
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.