Granted Patent
Utility
US 4,595,083 · App. 06/672,962
Brake actuator device having a hydraulic slack-adjusting arrangement
Inventors:
Robert Mackenzie, Thomas Digweed
Patented Case
View Patent ↗
Granted: Jun 17, 1986
Filed: Nov 19, 1984
Inventors
Robert Mackenzie
Thomas Digweed
Assignee (at issue)
WABCO GmbH
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.