Granted Patent
Utility
US 4,815,130 · App. 07/097,307
Stream cipher system with feedback
Inventors:
Lin-Nan Lee, Neal Becker
Patented Case
View Patent ↗
Granted: Mar 21, 1989
Filed: Sep 14, 1987
Inventors
Lin-Nan Lee
Neal Becker
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.