Granted Patent
Utility
US 6,704,411 · App. 09/661,462
System and method for realizing home agent client function for call center system
Inventor:
Yoshio Nishidate
Patented Case
View Patent ↗
Granted: Mar 9, 2004
Filed: Sep 13, 2000
Inventor
Yoshio Nishidate
Assignee (at issue)
NEC 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.