Granted Patent
Utility
US 4,876,617 · App. 07/046,126
Signal identification
Inventors:
Stuart J. Best, Reginald A. Willard
Patented Case
View Patent ↗
Granted: Oct 24, 1989
Filed: May 5, 1987
Inventors
Stuart J. Best
Reginald A. Willard
Assignee (at issue)
Thorn EMI plc
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.