Granted Patent
Utility
US 6,115,154 · App. 09/156,715
Method and system for detecting loss of signal in wavelength division multiplexed systems
Inventors:
Neophytos Antoniades, Janet Jackel, Dwight Hugh Richards, Wei Xin
Patented Case
View Patent ↗
Granted: Sep 5, 2000
Filed: Sep 18, 1998
Inventors
Neophytos Antoniades
Janet Jackel
Dwight Hugh Richards
Wei Xin
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.