Granted Patent
Utility
US 6,401,027 · App. 09/317,127
Remote road traffic data collection and intelligent vehicle highway system
Inventors:
Yiwen Xu, Youchun Jin
Patented Case
View Patent ↗
Granted: Jun 4, 2002
Filed: May 24, 1999
Inventors
Yiwen Xu
Youchun Jin
Assignee (at issue)
Wenking Corp.
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.