Granted Patent
Utility
US 6,434,228 · App. 09/334,263
Method and apparatus for routing calls with a digital cross-connect system
Inventors:
Todd W. Antrim, Curtis M. Abrue
Patented Case
View Patent ↗
Granted: Aug 13, 2002
Filed: Jun 16, 1999
Inventors
Todd W. Antrim
Curtis M. Abrue
Assignee (at issue)
BELLSOUTH INTELLECTUAL PROPERTY 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.