Granted Patent
Utility
US 5,333,940 · App. 07/944,324
Tractor/trailer brake pressure regulation method and system
Inventor:
Bernhard Topfer
Patented Case
View Patent ↗
Granted: Aug 2, 1994
Filed: Sep 14, 1992
Inventor
Bernhard Topfer
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.