Granted Patent
Utility
US 6,337,491 · App. 09/335,768
Light/rain sensing system for a vehicle
Inventors:
Karl-Heinz Krieg, Martin Krug
Patented Case
View Patent ↗
Granted: Jan 8, 2002
Filed: Jun 18, 1999
Inventors
Karl-Heinz Krieg
Martin Krug
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.