Granted Patent
Utility
US 4,734,043 · App. 07/073,880
Modular jack
Inventors:
Donald R. Emert, John D. Walden
Patented Case
View Patent ↗
Granted: Mar 29, 1988
Filed: Jul 14, 1987
Inventors
Donald R. Emert
John D. Walden
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.