Granted Patent
Utility
US 4,690,477 · App. 06/856,003
Electrical connector apparatus
Inventors:
Ray C. Doutrich, George T. DeShong
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Apr 25, 1986
Inventors
Ray C. Doutrich
George T. DeShong
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.