Granted Patent
Utility
US 4,613,191 · App. 06/723,525
Grounding connector
Inventor:
Ralph A. Papa
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Apr 15, 1985
Inventor
Ralph A. Papa
Assignee (at issue)
E.I. DU PONT DE NEMOURS AND COMPANY
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.