Granted Patent
Utility
US 4,900,276 · App. 07/378,544
Electrical connector with pin retention feature
Inventor:
Ray C. Doutrich
Patented Case
View Patent ↗
Granted: Feb 13, 1990
Filed: Jul 11, 1989
Inventor
Ray C. Doutrich
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.