Granted Patent
Utility
US 4,634,808 · App. 06/589,741
Descrambler subscriber key production system utilizing key seeds stored in descrambler
Inventor:
Karl E. Moerder
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Mar 15, 1984
Inventor
Karl E. Moerder
Assignee (at issue)
M/A-COM Government Systems, Inc.
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.