Granted Patent
Utility
US 5,288,139 · App. 07/894,386
Electropneumatic braking system
Inventors:
William A. Singleton, Robert D. Burns
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Jun 5, 1992
Inventors
William A. Singleton
Robert D. Burns
Assignee (at issue)
AlliedSignal, Inc.
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.