Granted Patent
Utility
US 4,690,472 · App. 06/911,679
High density flex connector system
Inventors:
Richard A. Elco, Hugh R. Vandegriff
Patented Case
View Patent ↗
Granted: Sep 1, 1987
Filed: Sep 26, 1986
Inventors
Richard A. Elco
Hugh R. Vandegriff
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.