Granted Patent
Utility
US 5,225,902 · App. 07/671,539
Automatic frequency selection in a bi-directional cable television system
Inventor:
Jay C. McMullan, Jr.
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Mar 19, 1991
Inventor
Jay C. McMullan, Jr.
Assignee (at issue)
Scientific-Atlanta, 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.