Granted Patent
Utility
US 6,549,533 · App. 09/224,567
Managing switched virtual circuits in a network
Inventor:
Walter Blanton Campbell
Patented Case
View Patent ↗
Granted: Apr 15, 2003
Filed: Dec 30, 1998
Inventor
Walter Blanton Campbell
Assignee (at issue)
Objective Systems Integrators 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.