Granted Patent
Utility
US 6,330,238 · App. 09/168,857
Multicast transmission method
Inventor:
Kazuichi Ooe
Patented Case
View Patent ↗
Granted: Dec 11, 2001
Filed: Oct 9, 1998
Inventor
Kazuichi Ooe
Assignee (at issue)
Fujitsu Limited
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.