Granted Patent
Utility
US 6,304,580 · App. 09/413,734
Broadband telecommunications system interface
Inventors:
Joseph Michael Christie, Joseph Christie, Michael Joseph Gardner, Tracy Lee Nelson, William L. Wiley, Albert Daniel DuRee
Patented Case
View Patent ↗
Granted: Oct 16, 2001
Filed: Oct 6, 1999
Inventors
Joseph Michael Christie
Joseph Christie
Michael Joseph Gardner
Tracy Lee Nelson
William L. Wiley
Albert Daniel DuRee
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.