Granted Patent
Utility
US 6,816,084 · App. 09/788,856
Process and device for detecting and monitoring a number of preceding vehicles
Inventor:
Fridtjof Stein
Patented Case
View Patent ↗
Granted: Nov 9, 2004
Filed: Feb 20, 2001
Inventor
Fridtjof Stein
Assignee (at issue)
Daimlerchrysler AG
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.