Granted Patent
Utility
US 5,978,115 · App. 09/085,356
Span management system for wavelength division multiplexed network
Inventors:
Keith A. Condict, Stephen R. Harmon, Wesley R. Jones, Michael B. Peters-Rodbell
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: May 27, 1998
Inventors
Keith A. Condict
Stephen R. Harmon
Wesley R. Jones
Michael B. Peters-Rodbell
Assignee (at issue)
Ciena Corporation
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.