Granted Patent
Utility
US 5,586,815 · App. 08/303,389
Method and system for detecting false four-wheel drive indication in antilock brake systems
Inventor:
Dan Negrin
Patented Case
View Patent ↗
Granted: Dec 24, 1996
Filed: Sep 9, 1994
Inventor
Dan Negrin
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.