Granted Patent
Utility
US 4,431,246 · App. 06/252,645
Insulation piercing contact
Inventor:
James L. Vaden
Patented Case
View Patent ↗
Granted: Feb 14, 1984
Filed: Apr 9, 1981
Inventor
James L. Vaden
Assignee (at issue)
Akzona Incorporated
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.