Granted Patent
Utility
US 6,041,037 · App. 08/912,739
ATM virtual path switching node
Inventors:
Makoto Nishio, Hiromitsu Watanabe
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Aug 18, 1997
Inventors
Makoto Nishio
Hiromitsu Watanabe
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.