Granted Patent
Utility
US 6,728,621 · App. 10/264,685
Anti-lock braking system controller for adjusting slip thresholds on inclines
Inventors:
Allen J. Walenty, Kevin G. Leppek, David Alan Thatcher
Patented Case
View Patent ↗
Granted: Apr 27, 2004
Filed: Oct 4, 2002
Inventors
Allen J. Walenty
Kevin G. Leppek
David Alan Thatcher
Assignee (at issue)
General Motors 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.