Granted Patent
Utility
US 4,240,695 · App. 06/050,426
Optical fibers connector
Inventor:
Robert F. Evans
Patented Case
View Patent ↗
Granted: Dec 23, 1980
Filed: Jun 20, 1979
Inventor
Robert F. Evans
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.