Granted Patent
Utility
US 6,147,990 · App. 09/083,011
Method for providing communications network stability
Inventors:
Daniel Matthew Andrews, Yihao Zhang
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: May 21, 1998
Inventors
Daniel Matthew Andrews
Yihao Zhang
Assignee (at issue)
LUCENT 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.