Granted Patent
Utility
US 6,587,043 · App. 09/635,938
Driver warning system
Inventor:
Dennis A. Kramer
Patented Case
View Patent ↗
Granted: Jul 1, 2003
Filed: Aug 10, 2000
Inventor
Dennis A. Kramer
Assignee (at issue)
Meritor Heavy Vehicle Technology, LLC
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.