Granted Patent
Utility
US 4,164,774 · App. 05/945,774
Electrode for telephone protector modules
Inventor:
William V. Carney
Patented Case
View Patent ↗
Granted: Aug 14, 1979
Filed: Sep 25, 1978
Inventor
William V. Carney
Assignee (at issue)
Porta Systems 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.