Granted Patent
Utility
US 6,160,794 · App. 08/967,071
Method and system to obtain test information regarding an advanced service in a telecommunications system
Inventors:
Dale W. Malik, Robert Koch
Patented Case
View Patent ↗
Granted: Dec 12, 2000
Filed: Nov 10, 1997
Inventors
Dale W. Malik
Robert Koch
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.