Granted Patent
Utility
US 4,563,702 · App. 06/498,875
Video signal scrambling and descrambling systems
Inventors:
Jerrold A. Heller, Woo Hyun Paik
Patented Case
View Patent ↗
Granted: Jan 7, 1986
Filed: May 27, 1983
Inventors
Jerrold A. Heller
Woo Hyun Paik
Assignee (at issue)
M/A-COM Linkabit, 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.