Granted Patent
Utility
US 4,881,784 · App. 07/305,574
ABS pressure apply algorithm
Inventor:
Kevin G. Leppek
Patented Case
View Patent ↗
Granted: Nov 21, 1989
Filed: Feb 3, 1989
Inventor
Kevin G. Leppek
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.