Granted Patent
Utility
US 6,344,915 · App. 09/152,892
System and method for shutting off an optical energy source in a communication system having optical amplifiers
Inventors:
Stephen B. Alexander, Cecil D. Smith, Roy C. Litz, Robert Corwin, John Lynn Shanton, III, Donald T. Newman
Patented Case
View Patent ↗
Granted: Feb 5, 2002
Filed: Jun 19, 1998
Inventors
Stephen B. Alexander
Cecil D. Smith
Roy C. Litz
Robert Corwin
John Lynn Shanton, III
Donald T. Newman
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.