Granted Patent
Utility
US 5,671,213 · App. 08/552,533
Duplicated arrangement for ATM switching system
Inventor:
Takatoshi Kurano
Patented Case
View Patent ↗
Granted: Sep 23, 1997
Filed: Nov 6, 1995
Inventor
Takatoshi Kurano
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.