Granted Patent
Utility
US 5,598,472 · App. 08/362,269
Charge-coupled-device based all-analog wave form scrambling with applications in audio, video, video-on-demand, and TV systems
Inventors:
Leonard Schuchman, Aaron Weinberg
Patented Case
View Patent ↗
Granted: Jan 28, 1997
Filed: Dec 22, 1994
Inventors
Leonard Schuchman
Aaron Weinberg
Assignee (at issue)
Stanford Telecommunications, 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.