Granted Patent
Utility
US 6,349,130 · App. 09/218,970
Method to pre-qualify copper loops for ADSL service
Inventors:
Carl Robert Posthuma, Albert J. Sawyer
Patented Case
View Patent ↗
Granted: Feb 19, 2002
Filed: Dec 22, 1998
Inventors
Carl Robert Posthuma
Albert J. Sawyer
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.