Granted Patent
Utility
US 4,365,110 · App. 06/045,703
Multiple-destinational cryptosystem for broadcast networks
Inventors:
Lin-Nan Lee, Shyue-Ching Lu
Patented Case
View Patent ↗
Granted: Dec 21, 1982
Filed: Jun 5, 1979
Inventors
Lin-Nan Lee
Shyue-Ching Lu
Assignee (at issue)
Communications Satellite 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.