Granted Patent
Utility
US 6,646,451 · App. 09/732,448
Time domain reflectometer display method
Inventor:
Keith Lanan
Patented Case
View Patent ↗
Granted: Nov 11, 2003
Filed: Dec 6, 2000
Inventor
Keith Lanan
Assignee (at issue)
UTILX 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.