Granted Patent
Utility
US 6,404,524 · App. 09/438,003
Method and system for securing wavelength division multiplex systems
Inventor:
Shahab Etemad
Patented Case
View Patent ↗
Granted: Jun 11, 2002
Filed: Nov 10, 1999
Inventor
Shahab Etemad
Assignee (at issue)
Telcordia 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.