Granted Patent
Utility
US 6,192,172 · App. 09/370,824
Optical wavelength-space cross-connect switch architecture
Inventors:
Mohammad Taghi Fatehi, Wayne H. Knox
Patented Case
View Patent ↗
Granted: Feb 20, 2001
Filed: Aug 9, 1999
Inventors
Mohammad Taghi Fatehi
Wayne H. Knox
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.