Granted Patent
Utility
US 6,452,908 · App. 09/216,943
Route searching circuit and communication apparatus using the same
Inventors:
Kenshin Yamada, Motoo Nishihara
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Dec 21, 1998
Inventors
Kenshin Yamada
Motoo Nishihara
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.