Granted Patent
Utility
US 5,721,796 · App. 08/668,196
Optical fiber cross connect with active routing for wavelength multiplexing and demultiplexing
Inventors:
Miriam De Barros, Lars Erik Eskildsen, Gerald Nykolak, Ashish Madhukar Vengsarkar, Torben N. Nielsen, Tawee Tanbun-Ek
Patented Case
View Patent ↗
Granted: Feb 24, 1998
Filed: Jun 21, 1996
Inventors
Miriam De Barros
Lars Erik Eskildsen
Gerald Nykolak
Ashish Madhukar Vengsarkar
Torben N. Nielsen
Tawee Tanbun-Ek
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.