Granted Patent
Utility
US 6,018,574 · App. 08/958,225
System and method for activation of an enhanced telecommunication service
Inventor:
Dale W. Malik
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Oct 27, 1997
Inventor
Dale W. Malik
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.