Granted Patent
Utility
US 4,331,842 · App. 06/120,125
Voice frequency repeater and term sets and other circuits therefor
Inventor:
Frederick J. Kiko
Patented Case
View Patent ↗
Granted: May 25, 1982
Filed: Feb 11, 1980
Inventor
Frederick J. Kiko
Assignee (at issue)
Reliance Electric Limited
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.