Granted Patent
Utility
US 6,317,239 · App. 09/189,992
Optical repeaters for single- and multi-wavelength operation with dispersion equalization
Inventors:
Douglas S. Burbidge, Bernard Villeneuve
Patented Case
View Patent ↗
Granted: Nov 13, 2001
Filed: Nov 12, 1998
Inventors
Douglas S. Burbidge
Bernard Villeneuve
Assignee (at issue)
Nortel Networks Limited
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.