Granted Patent
Utility
US 4,558,464 · App. 06/757,762
Address-programmable CATV converter
Inventor:
Thomas Edward O'Brien
Patented Case
View Patent ↗
Granted: Dec 10, 1985
Filed: Jul 22, 1985
Inventor
Thomas Edward O'Brien
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.