Granted Patent
Utility
US 5,574,584 · App. 08/595,816
Wavelength division multiplexing passive optical network with bi-directional optical spectral slicing
Inventors:
Thomas E. Darcie, Nicholas J. Frigo, Patrick P. Iannone
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Mar 22, 1996
Inventors
Thomas E. Darcie
Nicholas J. Frigo
Patrick P. Iannone
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.