Granted Patent
Utility
US 5,825,792 · App. 08/680,284
Wavelength monitoring and control assembly for WDM optical transmission systems
Inventors:
Bernard Villeneuve, Hyung B. Kim
Patented Case
View Patent ↗
Granted: Oct 20, 1998
Filed: Jul 11, 1996
Inventors
Bernard Villeneuve
Hyung B. Kim
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.