Granted Patent
Utility
US 4,620,224 · App. 06/719,200
Video scrambling technique for multiplexed analog component formats
Inventors:
Lin-Nan Lee, Mark D. Redman
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Apr 3, 1985
Inventors
Lin-Nan Lee
Mark D. Redman
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.