Granted Patent
Utility
US 5,220,975 · App. 07/789,190
Drive-slip control system
Inventors:
Richard Zimmer, Armin Muller
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Nov 8, 1991
Inventors
Richard Zimmer
Armin Muller
Assignee (at issue)
MERCEDES-BENZ GROUP AG
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.