Granted Patent
Utility
US 6,587,974 · App. 09/443,358
Method for fault detection and fast protection switching in transmission systems
Inventors:
Casem Majd, Morten Nissov
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Nov 19, 1999
Inventors
Casem Majd
Morten Nissov
Assignee (at issue)
Tyco Telecommunications (US) 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.