Granted Patent
Utility
US 6,052,449 · App. 09/107,028
System for controlling the provisioning of long distance service from different network carriers
Inventor:
David Chavez
Patented Case
View Patent ↗
Granted: Apr 18, 2000
Filed: Jun 29, 1998
Inventor
David Chavez
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.