Granted Patent
Utility
US 6,453,030 · App. 09/733,446
System and method for roaming billing
Inventors:
Juanita Boutwell, Mike Vargo
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Dec 7, 2000
Inventors
Juanita Boutwell
Mike Vargo
Assignee (at issue)
Clarent 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.