Granted Patent
Utility
US 6,690,674 · App. 09/420,712
System and method for interfacing a local communication device
Inventors:
Joseph Michael Christie, Albert Daniel DuRee, Michael Joseph Gardner, William L. Wiley, Tracy Lee Nelson
Patented Case
View Patent ↗
Granted: Feb 10, 2004
Filed: Oct 20, 1999
Inventors
Joseph Michael Christie
Albert Daniel DuRee
Michael Joseph Gardner
William L. Wiley
Tracy Lee Nelson
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.