Granted Patent
Utility
US 5,644,490 · App. 08/383,267
Method and system for estimating vehicle speed reference value
Inventor:
Darryl C. Weber
Patented Case
View Patent ↗
Granted: Jul 1, 1997
Filed: Feb 3, 1995
Inventor
Darryl C. Weber
Assignee (at issue)
KELSEY-HAYES-COMPANY
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.