Granted Patent
Utility
US 5,787,260 · App. 08/934,887
Busline length recognition system
Inventor:
Toshio Misaka
Patented Case
View Patent ↗
Granted: Jul 28, 1998
Filed: Sep 22, 1997
Inventor
Toshio Misaka
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.