Granted Patent
Utility
US 6,625,439 · App. 10/229,528
System and method for managing prepaid wireless service
Inventors:
Bernard Laybourn, Theodore W. Watler
Patented Case
View Patent ↗
Granted: Sep 23, 2003
Filed: Aug 27, 2002
Inventors
Bernard Laybourn
Theodore W. Watler
Assignee (at issue)
Telemac 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.