Granted Patent
Utility
US 6,043,928 · App. 08/884,422
Robust multi-wavelength optical fiber communication systems
Inventors:
Kenneth L. Walker, Frederik Willem Willems
Patented Case
View Patent ↗
Granted: Mar 28, 2000
Filed: Jun 27, 1997
Inventors
Kenneth L. Walker
Frederik Willem Willems
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.