Granted Patent
Utility
US 6,351,521 · App. 09/664,648
Communications test system
Inventors:
Albert Daniel DuRee, William L. Wiley
Patented Case
View Patent ↗
Granted: Feb 26, 2002
Filed: Sep 19, 2000
Inventors
Albert Daniel DuRee
William L. Wiley
Assignee (at issue)
SPRINT COMMUNICATIONS COMPANY, L.P.
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.