Granted Patent
Utility
US 5,594,818 · App. 08/399,082
Digital optical switch and modulator and a method for digital optical switching and modulation
Inventor:
Edmond J. Murphy
Patented Case
View Patent ↗
Granted: Jan 14, 1997
Filed: Mar 8, 1995
Inventor
Edmond J. Murphy
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.