Granted Patent
Utility
US 5,956,439 · App. 08/935,220
Optical switching apparatus for use in the construction mode testing of fibers in an optical cable
Inventor:
Richard J. Pimpinella
Patented Case
View Patent ↗
Granted: Sep 21, 1999
Filed: Sep 22, 1997
Inventor
Richard J. Pimpinella
Assignee (at issue)
LUCENT TECHNOLOGIES INC.
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.