Granted Patent
Utility
US 6,487,276 · App. 09/410,237
Detecting faults in subscriber telephone lines
Inventors:
Joseph S. Rosen, Susan E. McGill
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Sep 30, 1999
Inventors
Joseph S. Rosen
Susan E. McGill
Assignee (at issue)
Teradyne, 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.