Granted Patent
Utility
US 5,515,361 · App. 08/393,966
Link monitoring and management in optical star networks
Inventors:
Chung-Sheng Li, Rajiv Ramaswami
Patented Case
View Patent ↗
Granted: May 7, 1996
Filed: Feb 24, 1995
Inventors
Chung-Sheng Li
Rajiv Ramaswami
Assignee (at issue)
International Business Machines 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.