Granted Patent
Utility
US 6,584,566 · App. 09/330,897
Distributed group key management for multicast security
Inventor:
Thomas P. Hardjono
Patented Case
View Patent ↗
Granted: Jun 24, 2003
Filed: Jun 11, 1999
Inventor
Thomas P. Hardjono
Assignee (at issue)
Nortel Networks Limited
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.