Granted Patent
Utility
US 4,148,539 · App. 05/792,433
Modular plug having superior dielectric strength for terminating cords
Inventor:
Edwin C. Hardesty
Patented Case
View Patent ↗
Granted: Apr 10, 1979
Filed: Apr 29, 1977
Inventor
Edwin C. Hardesty
Assignee (at issue)
Western Electric Company, 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.