Granted Patent
Utility
US 6,311,288 · App. 09/085,702
System and method for virtual circuit backup in a communication network
Inventors:
Theodore Heeren, Suzanne P. Hassell, Richard A. Mundwiler
Patented Case
View Patent ↗
Granted: Oct 30, 2001
Filed: May 28, 1998
Inventors
Theodore Heeren
Suzanne P. Hassell
Richard A. Mundwiler
Assignee (at issue)
PARADYNE 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.