Granted Patent
Utility
US 5,003,591 · App. 07/357,174
Functionally modifiable cable television converter system
Inventors:
Marc W. Kauffman, Michael Raymond Miller
Patented Case
View Patent ↗
Granted: Mar 26, 1991
Filed: May 25, 1989
Inventors
Marc W. Kauffman
Michael Raymond Miller
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.