Granted Patent
Utility
US 4,926,477 · App. 07/206,612
Cable television descrambler
Inventor:
Woo Hyun Paik
Patented Case
View Patent ↗
Granted: May 15, 1990
Filed: Jun 14, 1988
Inventor
Woo Hyun Paik
Assignee (at issue)
General Instrument 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.