Granted Patent
Utility
US 5,828,850 · App. 08/336,197
Busline length recognition system
Inventor:
Toshio Misaka
Patented Case
View Patent ↗
Granted: Oct 27, 1998
Filed: Nov 2, 1994
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.