Granted Patent
Utility
US 6,252,875 · App. 09/139,321
Multi-cast ABR service system and method
Inventor:
Nyuudou Katuyosi
Patented Case
View Patent ↗
Granted: Jun 26, 2001
Filed: Aug 25, 1998
Inventor
Nyuudou Katuyosi
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.